Consider a function . When  is increasing, what can be said about

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?

A.  is positive.
B.  is negative.
C.  is zero.
D.  is increasing.

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Answer: A

Mathematics

Provide an appropriate response.Use the FOIL method to find the product: (a + 5)(a - 3)

A. a2 - 2a - 15 B. a2 - 8a + 15 C. a2 + 2a - 15 D. a2 + 8a - 15

An advertising agency conducted a survey and found that the number of units sold, N, is related to the amount a spent on advertising (in dollars) by the following formula: ? ? How many units are sold after spending $3,000? $__________ (Round your answer to the nearest unit) ? How many units are sold after spending $38,000? $__________ (Round your answer to the nearest unit) ? How much needs to be spent (to the nearest hundred dollars) to sell 4,000 units? $__________

What will be an ideal response?

Which equation matches the given calculator-generated graph and description? Decide without using your calculator.Circle; center (0, 0); radius 3

A. x2 + y2 = 3 B. x2 + y2 = 9 C. x2 + y2 = 1 D. x2 + y2 = -9

Divide.(x2 + 7x + 10) ÷ (x + 5)

A. x - 5 B. x3 - 5 C. x + 2 D. x2 + 2