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If f(x) = 3x^{2} - 12x + 7, find f(3).

-2

52

46

None of the answers given; click to see the solution.

An analyst has determined that the price-demand function for a certain digital camera is p(x) = 1900 - 6x, where x is between 1 and 300. Find the price of the camera for a demand of 180 cameras.

$820

$2980

$286.67

None of the answers given; click to see the solution.

Using the same price-demand function as in question #2, that is, p(x) = 1900 - 6x, what will the demand be if the price is set at $910 per camera?

165

-3560

984

None of the answers given; click to see the solution.

Using the same price-demand function as in question #2, that is, p(x) = 1900 - 6x, what is the revenue function for the camera?

R(x) = 1900x - 6x^{2}

R(x) = 1900 - 6x^{2}

R(x) = 1900 - 6x

None of the answers given; click to see the solution.

If it has been determined that the revenue function for a certain item is R(x) = -0.2x^{2}+ 90x and the cost function for the item is C(x) = 22x + 1270, write the profit function for the item.

P(x) = -0.2x^{2}+ 68x - 1270

P(x) = -0.2x^{2}+ 68x + 1270

P(x) = -0.2x^{2} + 112x - 1270

None of the answers given; click to see the solution.