Solve. Provide answers in interval notation.
> 0
A. [16, ?]
B. (-16, ?)
C. (16, -?)
D. (-?, 16)
Answer: B
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For the given functions f and g, find the requested composite function.f(x) = 
, g(x) = 9x + 10;
Find (g ? f)(x).
A. x + 20
B. x
C. x - 
D. 9x + 80
Solve the problem.June has a strip of paper 42.4 inches long. She wants to cut it into strips that are 5.3 inches long. How many 5.3-inch strips will she get from the paper?
A. 8 pieces B. 9 pieces C. 80 pieces D. 7 pieces
Find the domain of the rational function.h(x) = 
A. {x|x ? -5} B. {x|x ? 0} C. {x|x ? 5} D. all real numbers
Tell whether a linear model or a quadratic model is appropriate for the data. If linear, tell whether the slope should be positive or negative. If quadratic, decide whether the leading coefficient a of x2 should be positive or negative.The amount of water in a pool as it is being filled, as a function of time.
A. linear; negative B. quadratic; positive C. linear; positive D. quadratic; negative