State the domain of the given function.y = 
A. All real numbers x ? 8
B. All real numbers x ? 8
C. All real numbers x < 8
D. All real numbers
Answer: A
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Solve.The time T necessary to make an enlargement of a negative varies directly as the area A of the enlargement. If 96 seconds are required to make a 3-by-4 in. enlargement, find the time required for a 7-by-6 in. enlargement.
A. 420 sec B. 336 sec C. 294 sec D. 378 sec
Write < or > between the pair of numbers to make the statement true.-7 ? 0
A. < B. >
Simplify.
A. 3x11 B. -3x7 C. -3x11 D. 3x7
Solve the problem.A research team collected data concerning a local habitat for an endangered species of bird. The data are summarized in the graph below. Call the function f.
Does f have an inverse? Why or why not?
A. Yes, because it passes the vertical line test. B. Yes, because it passes the horizontal line test. C. No, because it fails the horizontal line test. D. No, because it fails the vertical line test.