Find the composition. If f(x) = x2 - 7 and g(x) = x2 - 6, find (g ? f)(2).
A. -3
B. 33
C. 47
D. 3
Answer: D
Mathematics
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Find the infinite sum accurate to three decimal places.
A. 0.200 B. 0.143 C. -0.571 D. 0.800
Mathematics
Use even and odd properties of the trigonometric functions to find the exact value of the expression.cot 
A. 
B. -
C. 
D. - 
Mathematics
Write the fraction.Of the 226 students at a college, 54 are juniors. What fraction of the students are juniors?
A. 
B. 
C. 
D. 
Mathematics
If R is the set of real numbers, Q is the set of rational numbers, I is the set of integers, N is the set of natural numbers, and S is the set of irrational numbers, list the set(s) for which a solution to the given equation exists. If a solution to the given equation does not belong to any set, state none.3 - 2x = 16
A. Q B. Q, R C. S, R D. I, Q, R
Mathematics