Find the composite function for the given functions.f ? g for f(x) = 3x + 3 and g(x) = -6x + 8
A. -18x + 26
B. 18x + 27
C. -18x + 27
D. -18x
Answer: C
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Find the acute angle, in radians, between the lines.5x - 2y = -10 and 4x + 5y = 4
A. 0.2900 radians B. 2.847 radians C. 1.277 radians D. 0.2942 radians
Evaluate the function at the given values of the variable.f(x) = x - 1
a. f(5)
b. f(2)
A. -5, -2 B. 4, 1 C. 5, 2 D. 6, 3
Solve the problem.A fossilized leaf contains 30% of its normal amount of carbon 14. How old is the fossil (to the nearest year)? Use 5600 years as the half-life of carbon 14.
A. 2876 B. 9709 C. 34,262 D. 27,429
The figure shows angle ? in standard position with its terminal side intersecting the unit circle. Evaluate sin ? and cos ?.
A. sin ? = 
, cos ? = - 
B. sin ? = 
, cos ? = - 
C. sin ? = - 
, cos ? = 
D. sin ? = - 
, cos ? = - 