Divide and, if possible, simplify.
÷ 
A. -2
B. -8
C.
D. 2
Answer: A
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Provide an appropriate response.For x > 0, sketch a curve y = f(x) that has f(1) = 0 and f'(x) = - . Can anything be said about the concavity of such a curve? Give reasons for your answer.
What will be an ideal response?
Evaluate the expression. Write your answer without exponents.
A.
B.
C.
D.
The estimated monthly sales of Mona Lisa paint-by-number sets is given by the formula
?
?
where q is the demand in monthly sales and p is the retail price in yen. At what price will revenue be a maximum? Round the answer to the nearest hundredth.
?
A. 66.99 yen B. 0.56 yen C. 0.78 yen D. 0.99 yen E. 1.22 yen
Determine whether the following is an equation or an expression.9x + 7 = 6
A. expression B. equation