Subtract.
A. 45
B. 47
C. 57
D. 69
Answer: B
Mathematics
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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 as t ? ?.
B. 
N(t) ? 1 as t ? ?.
C. 
N(t) ? 0.1 as t ? ?.
D. 
N(t) ? 0.125 as t ? ?.
Mathematics
Solve the equation.(-6x + 1) + 6 = -5(x - 7)
A. {40} B. {28} C. {- 14} D. {- 28}
Mathematics
Find the composition. If f(x) = x2 - 5 and g(x) = x2 - 8, find (g ? f)(x).
A. x2 + 59 B. x4 - 10x2 + 17 C. x2 + 17 D. x4 - 16x2 + 59
Mathematics
Factor using the ac-method.9z2 + 6z - 8
A. (3z - 4)(3z + 2) B. (9z + 4)(z - 2) C. (3z + 4)(3z - 2) D. prime
Mathematics