Solve the problem.Find (f?g)(2) when f(x) = 3x + 7 and g(x) = 1/x.

A.
B.
C.
D.


Answer: B

Mathematics

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Find the general solution of the equation. Express the solution explicitly as a function of the independent variable.t-7y'(t) = 9

A. y = 72t8 + C
B. y = t-8 + C
C. y = t8 + C
D. y = 81t9 + C

Mathematics

Find the value of the objective function at each corner of the graphed region. Use this information to answer the question.Objective Functionz = x - 2yWhat is the minimum value of the objective function?

A. -1 B. -13 C. -28 D. -16

Mathematics

Solve the problem.A firm is considering a new product. The accounting department estimates that the total cost, C(x), of producing x units will be C(x) = 60x + 7870.The sales department estimates that the revenue, R(x), from selling x units will be  R(x) = 70x,but that no more than 955 units can be sold at that price. Find and interpret (R - C)(955).

A. -$1680 loss, cost exceeds income It is not worth it to develop product. B. $132,020 profit, income exceeds cost It is worth it to develop product. C. $1680 profit, income exceeds cost It is worth it to develop product. D. $1742 profit, income exceeds cost It is worth it to develop product.

Mathematics

Find the distance between the pair of points. Round to the nearest tenth if necessary.(-7, -3) and (1, 1)

A. 4 
B. 48 
C. 48 ? 83.1
D. 4 ? 8.9

Mathematics