Divide.-240 ÷ 80
A. -13
B. -3
C. 3
D. - 
Answer: B
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Find functions f and g so that F(x) = (f ? g) (x).F(x) = 
A. f(x) = -
, g(x) = 10x + 7
B. f(x) = 
, g(x) = 10x + 7
C. f(x) = x, g(x) = 10x + 7
D. f(x) = 
, g(x) = 10x - 7
Estimate the sum or difference by first rounding each number to the nearest ten.581.13 - 62.6
A. 530 B. 520 C. 518.53 D. 580
Use the graph of f to determine the intervals where f is increasing and where f is decreasing.
A. increasing: (-?, ?); decreasing: never B. increasing: (-?, 0]; decreasing [0, ?) C. increasing: [0, ?); decreasing (-?, 0] D. increasing: never; decreasing: (-?, ?)
Tell which set or sets the number belongs to: natural numbers, whole numbers, integers, rational numbers, irrational numbers, and real numbers.8.97
A. rational B. rational, real C. real D. natural, rational, real