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High School Calculus
Limits & ContinuityThe graph of y Tanx is shown Write the coordinates of point A as an ordered pair y arctan x m 2
College Statistics
Statistics7 The diameters in inches of 17 randomly selected bolts produced by a machine are listed Use a 90 level of confidence to construct a confidence interval for a the population variance o and b the population standard deviation Interpret the results 4 483 4 433 4 008 4 319 4 009 3 766 3 811 3 776 4 245 3 981 4 113 4 545 3 976 3 757 3 853 3 824 4 435 a The confidence interval for the population variance is Round to three decimal places as needed Interpret the results Select the correct choice below and fill in the answer box es to complete your choice Round to three decimal places as needed OA With 10 confidence it can be said that the population variance is greater than and B With 10 confidence it can be said that the population variance is between OD With 90 confidence it can be said that the population variance is less than and OC With 90 confidence it can be said that the population variance is between b The confidence interval for the population standard deviation is Round to three decimal places as needed Interpret the results Select the correct choice below and fill in the answer box es to complete your choice Round to three decimal place as needed OA With 10 confidence you can say that the population standard deviation is between and inches population standard deviation is between and inches OB With 90 confidence you can say that the population standard deviation is greater than OD With 10 confidence you can say that the population standard deviation is less than inches inches
College Statistics
StatisticsYou may need to use the appropriate appendix table to answer this question A person must score in the upper 7 of the population on an admissions test to qualify for membership in society catering to highly intelligent individuals If test scores are normally distributed with a mean of 110 and deviation of 5 what is the minimum score a person must have to qualify for the society Round your answer to the nearest integer
College Calculus
Application of derivativesIf the demand equation in dollars for a certain commodity is p 45 In x where x represents the number of units of the commodity determine the marginal revenue function for this commodity and compute the marginal revenue when x 50 What is the marginal revenue function for this commodity R x Use integers or decimals for any numbers in the expression
College Calculus
Application of derivativesWrite the equation of the line tangent to the graph of the following equation at x 0 y In x e What is the equation of the line tangent to the graph at x 0 y Type an equation using x as the variable
College Calculus
Differentiation12 Find the derivative of y with respect to x of y 8 In X du If y c In u identify u from the given function Then use it to find dx U du dx I
College Calculus
DifferentiationDifferentiate the following function y 20 x In x 20 dx20 Inx 10 dx 20 II
College Algebra
Matrices & Determinantsmplify sin 9t sin 3t cos 9t cos 3t to an expression involving a single trigonometric function
College Math - Others
Mathematical ReasoningLet A 1 1 1 2 11 ER 4 1 a 4 marks For each ER find Cartesian equations for Col A and Null A
College Algebra
Matrices & DeterminantsSolve the following system of equations by using the inverse of the coefficient matrix A AX B x 7y 39 6x 3y 9 The inverse of matrix A A 1 is
Biology
The Living World17 Both DNA and mRNA carry information for making things How is this information carried so that the correct products are made
College Calculus
Application of derivativesNext question Find the coordinates of the relative extreme point of the given fund point if the point is a relative maximum point or a relative minimum f x ex 5x The coordinates of the relative extreme point are Type an ordered pair Type an exact answer
High School Calculus
Application of derivativesgraph of the O is Shown in the figure below Which of the following coul be the graph or f 2 E y y f 2 B
College Calculus
Application of derivativesThe graph of the following function is shown to the right Find the coordinates of the minimum point f x 4x ex The x coordinate is Type an exact answer E X 10
College Calculus
Limits & ContinuitySolve the following equation for x In 7x In 12 X Type an integer or a simplified fraction
College Calculus
Limits & ContinuityNex Solve the following equation for x In x 3 x Type an exact answer Use a comma to separate answers as needed
High School Algebra
Quadratic equations2 Which of the answer choices below makes both equations in the system tru a 3 1 b 0 2 c 1 2 d 2 4 x y 2 3x 4y 5 3x 4y C
High School Algebra
Quadratic equationsWhat is the result of adding these two equations 2x 7y 4 2x 8y 2
College Statistics
ProbabilityFind the indicated z score The graph depicts the standard normal distribution with mean 0 and standard deviation 1 The indicated z score is
College Statistics
Probabilityind the area of the shaded region The graph depicts the standard normal distribution of bone density scores with mean 0 and tandard deviation 1 The area of the shaded region is Round to four decimal places as needed z 0 85 z 1
College Algebra
Matrices & DeterminantsIf V Span 3 2 1 7 0 1 find a matrix A that has V as its row space Find a matrix B that has V as its nullspace
College Algebra
Quadratic equationsUse long division to divide Express any numbers as integers or simplified fractions r 5x 8x 17x 21 x 3
High School Algebra
Quadratic equationsWhat is the result of subtracting the second equation from the first 4x 2y 2 x 2y 9 TE
High School Algebra
Quadratic equations1 What is the solution to the syst equations below 3x y 2 2x 2y 12 A 1 5 B 6 0 C 2 4 D 3 3
High School Algebra
Matrices & Determinants3 Select the solution to the system of equations shown below a 1 9 b 3 1 c 7 4 d 3 1 2x y 7 3x 4y 5
High School Algebra
Quadratic equations6 Challenge what is the value for x in the system of equations below 3y 2x 8 4x 2y 16 A 1 B 2 C 3 D 4
High School Algebra
Matrices & Determinants2 What is the solution to the system of equations below y 4x 5 3y 2x 5 A 2 3 B 2 4 C 1 9 D 3 2
High School Algebra
Quadratic equations3 What is the solution to the system of equations below x y 4 2y x 4 A 6 2 B 4 0 C 2 2 D 8 4
High School Algebra
Quadratic equations4 Which ordered pair represents the intersection point of the system of equations shown below a 2 3 y 2x 4 3y 2x 20 b 6 8 c 2 8 d no solution
High School Algebra
Quadratic equationsWhat is the result of adding these two equations 2x 3y 5 5x y 12
College Math - Others
Linear AlgebraUse the functions fand g in C 1 1 to find f g f g and d f g for the inner product f g f x g x dx f x 1 g x 4x 1 a f g b fl c g d d f g
College Math - Others
Mathematical ReasoningFind u v u v and d u v for the given inner product defined on Rn u 12 5 v 15 8 u v u v a u v b c u
College Math - Others
Mathematical InductionAre f and g orthogonal in the inner product space C a b with the inner product O Yes b f g flx f x g x dx C n 2 2 f x sin x g x COS X O No
College Statistics
ProbabilityThere is a 0 99967 probability that a randomly selected 29 year old female lives through the year An insurance company wants to offer her a one year policy with a death benefit of 900 000 Ho much should the company charge for this policy if it wants an expected return of 600 from all similar policies The company should charge Round to the nearest dollar
College Statistics
ProbabilityThere is a 0 99967 probability that a randomly selected 29 year old female lives through the year An insurance company wants to offer her a one year policy with a death benefit of 900 000 Ho much should the company charge for this policy if it wants an expected return of 600 from all similar policies The company should charge Round to the nearest dollar
High School Calculus
DifferentiationIn ANOP p 870 cm m N 127 and m 0 30 Find the length of n to the nearest centimeter
College Algebra
Quadratic equations1 2 3 4 5 6 7 8 Evaluate at x 3 g x 13 1 2e 7x 10 44 8 56 002 17 81 none of these 1