Decide whether the composite functions, f ? g and g ? f, are equal to x.f(x) = x3 + 1, g(x) = 
A. No, yes
B. No, no
C. Yes, no
D. Yes, yes
Answer: D
Mathematics
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Use the Lucas sequence to answer the question.What is the 26th term of the Lucas sequence?
A. 271,443 B. 167,761 C. 165,061 D. 103,682
Mathematics
Find the range of the function.f(x) = -7 - x2
A. (-?, -7] B. [7, ?) C. (-?, 7] D. [-7, ?)
Mathematics
Rationalize the denominator.
A. 
B. 8
C. 57
D. 
Mathematics
Solve the equation.x4 - 3x2 - 54 = 0
A. ±3, ± i
B. 3, i
C. ±3
D. -9, 6
Mathematics