03/20/21

please help me math

What is the average rate of change for the function g(x) between 3 and 7? Show your work.g(x)=8x^2-7x+2

03/19/21

math homework precalculus

Let f(x)=3√xIf g(x) is the graph of f(x) shifted down 4 units and right 2 units, write a formula for g(x)g(x)=   Enter √x as sqrt(x)

03/19/21

Which points are inflection points of the graph

03/17/21

Solve the following system of equations carefully show how you arrive to your answer

4x+2y-z=21-x-2y+2z=133x-2y+5z=70

03/16/21

Reciprocal or quotient identities

find cot x if csc x = -3 time sqr root of 5 divided by 5, sec x = -3/2

03/14/21

write the following as an inequality.

x is less than or equal to 7 and greater than -6

Domain and range...help?!

Help please!!Identify domain and range for the graph of:y= 5/x-3 +2

03/10/21

Calculus- conical pile

Sand is pouring out of a pipe and is forming a conical pile on the ground.The radius of the pile is increasing at a rate of 5 feet per day.The height is always 1/4 of the radius.When the pile has a... more

03/10/21

simplify the rational expression completely:

show step by step work:2x2+7x-4 ⁄ 4x2-1 • 2x+6 ⁄ x2+7x+12

Hiya I’m so I am new here and I have needed help with my homework for hours and I need assistance as soon as possible please

1.) Subtract. Identify any x-values for which the expression is undefined.A.) B.) C.) D.)2.) Simplify.A.)B.) None of theseC.)D.) E.)

03/10/21

Please, I need help

Write a two-column proof for the following information. Upload your proof below.Given: M is the midpoint of CD; CM = 5x – 2; MD = 3x + 2Prove: x = 2

If an object moves along the​ y-axis (marked in​ feet) so that its position at time x​ (in seconds) is given by f(x)=240x−16x^2​, find the following.

If an object moves along the​ y-axis (marked in​ feet) so that its position at time x​ (in seconds) is given by f(x)=240x−16x^2​, find the following.​(A) The instantaneous velocity function... more

9.5.89: The total sales of a company​ (in millions of​ dollars) t months from now are given by S(t)=0.04t^3+0.8t^2+8t+7.

The total sales of a company​ (in millions of​ dollars) t months from now are given by S(t)=0.04t^3+0.8t^2+8t+7. ​(A) Find S′(t).​(B) Find ​S(6​) and S′(6) ​(to two decimal​ places).​(C) Interpret... more

The total cost​ (in dollars) of producing x food processors is ​C(x)=2200+70x−0.3x^2.

The total cost​ (in dollars) of producing x food processors is ​C(x)=2200+70x−0.3x^2.​(A) Find the exact cost of producing the 91st food processor.​(B) Use the marginal cost to approximate the... more

03/10/21

Solve ΔABC. (Round your answers for b and c to one decimal place. Round your answer for 𝛾 to the nearest 10 minutes. If there is no solution, enter NO SOLUTION.)

Solve ΔABC. (Round your answers for b and c to one decimal place. Round your answer for 𝛾 to the nearest 10 minutes. If there is no solution, enter NO... more

02/27/21

Use a right triangle to write the following expression as an algebraic expression. Assume that x is positive and that the given inverse trigonometric function is defined for the expression in x

Use a right triangle to write the following expression as an algebraic expression. Assume that x is positive and that the given inverse trigonometric function is defined for the expression in x.... more

02/17/21

Caun yuo help me , please ? Make a list of everything you know, or can figure out, about this parabola at right. Aim for 10 - 15.

10 - 15.Make a list of everything you know, or can figure out, about this parabola at right. Aim for 10 - 15.

02/16/21

How fast is the marginal revenue MR changing when x = 30?

Suppose that the revenue (in dollars) from the sale of a product is given by R = 50x + 0.8x2 − 0.003x3where x is the number of units sold. How fast is the marginal revenue MR changing when x = 30? 

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