Evaluate the composition of functions.Let f(x) = 5x + 4 and g(x) = x + 8. Find (f ? g)(2).
A. 24
B. 22
C. 140
D. 54
Answer: D
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A triangle with three sides of equal length is called a(n) __________ triangle.
Fill in the blank(s) with the appropriate word(s).
Solve the problem.The position (in centimeters) of an object oscillating up and down at the end of a spring is given by 
at time t (in seconds). The value of A is the amplitude of the motion, k is a measure of the stiffness of the spring, and m is the mass of the object. How fast is the object accelerating when it is accelerating the fastest?
A. A cm/sec2
B. 
cm/sec2
C. A2 cm/sec2
D. A
cm/sec2
Solve the problem.Refer to the following preference schedule. If the Borda count method is used to determine the winner, is Fairness Criterion 2 satisfied?
A. Yes B. No
Classify the number as a member of one or more of the following sets: the rational numbers, the integers, the natural numbers, the irrational numbers.
A. Rational number, integer B. Rational number C. Rational number, natural number D. Irrational number