Solve.Suppose that a polynomial function is used to model the data shown in the graph below.
For what intervals is the function increasing?
A. 0 through 20 and 30 through 50
B. 0 through 50
C. 0 through 10 and 30 through 50
D. 0 through 10 and 40 through 50
Answer: C
Mathematics
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For the pair of functions, perform the indicated operation.f(x) = 
, g(x) = 
Find f ? g.
A. (3x - 2)(
)
B. (
)(
)
C. (5x + 2)(9x - 4)
D. (5x + 2)(3x - 2)
Mathematics
Solve the equation.
= 4 - x
A. ? B. {2, 13} C. {2} D. {13}
Mathematics
Subtract and, if possible, simplify.
x - 
x
A. 
x
B. 
x
C. 
x
D. 
x
Mathematics
Find the center (h, k) and radius r of the circle with the given equation. 3(x - 4)2 + 3(y - 3)2 = 36
A. (h, k) = (4, 3); r = 6
B. (h, k) = (4, 3); r = 2
C. (h, k) = (-4, -3); r = 2
D. (h, k) = (-4, -3); r = 6
Mathematics