Find the composition. If f(x) = x2 - 6 and h(x) = 
, find (h ? f)(4)
A. -2 + 
B. 
C. 4
D. 21
Answer: B
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Solve the problem.Alex and Juana went on a 50-mile canoe trip with their class. On the first day they traveled 12 miles. What percent of the total distance did they canoe?
A. 4% B. 400% C. 24% D. 0.24%
Solve.The function N(t) = 
, t ? 8gives the body concentration N(t), in parts per million, of a certain dosage of medication after time t, in hours.Graph the function on the interval [8, ?) and complete the following:N(t) ? 
as t ? ?.
A. 
N(t) ? 0.1 as t ? ?.
B. 
N(t) ? 1 as t ? ?.
C. 
N(t) ? 0 as t ? ?.
D. 
N(t) ? 0.086 as t ? ?.
Match the given function to its graph.1) y = sin x2) y = cos x3) y = -sin x4) y = -cos xA B
C D
A. 1A, 2D, 3C, 4B B. 1C, 2A, 3B, 4D C. 1B, 2D, 3C, 4A D. 1A, 2B, 3C, 4D
Determine whether there is a maximum or minimum value for the given function, and find that value.f(x) = x2 - 12x + 46
A. Maximum: -10 B. Minimum: 10 C. Minimum: 0 D. Maximum: 6