Determine whether or not the function is one-to-one.f(x) = |9 - x2|
A. Yes
B. No
Answer: B
Mathematics
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Add and simplify.
A. 37
B. 39
C. 38
D. 38
Mathematics
Find the amplitude.y = -4 cos(3?x - 3)
A. 3? B. ? C. 4 D. -12
Mathematics
Factor the expression completely. If the polynomial is prime, state this as your answer.x3 + 27
A. (x + 3)(x2 - 3x + 9) B. (x - 27)(x2 - 1) C. (x - 3)(x2 + 3x + 9) D. (x + 3)(x2 + 9)
Mathematics
Multiply the rational expressions: .
a. 
b. 
c. 
d. 
Mathematics