Solve the problem.A company that produces radios has costs given by the function , where x is the number of radios manufactured and C(x) is measured in dollars. The average cost to manufacture each radio is given by  Find   (Round to the nearest dollar, if necessary.)

A. $535
B. $74
C. $75
D. $525


Answer: D

Mathematics

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Write the equation for the plane.The plane through the point P(-2, -6, -6) and normal to n = 7i + 2j + 3k.

A. -2x - 6y - 6z = -44 B. 7x + 2y + 3z = -44 C. -7x - 2y - 3z = -44 D. 2x + 6y + 6z = -44

Mathematics

Use your calculator to perform the indicated operations. Give as many digits in your answer as shown on your calculator display.9.0 - 17.7 ÷ 3 + 4

A. 1.10 B. 7.1 C. -7.70 D. 5.63

Mathematics

Find the second derivative of the function.r = (3 - ?)

A.  = 
B.  = -  - 1
C.  = -  - 1
D.  =  - ?

Mathematics

Provide an appropriate response.State whether the following situation represents direct variation, inverse variation, or neither, and explain why: The weight of a roast and the number of servings obtained from it.

What will be an ideal response?

Mathematics