Decide whether or not the functions are inverses of each other.f(x) = 9x2 + 3, g(x) = 
A. Yes; Exclude the interval (-?, 9)
B. Yes; No values need to be excluded.
C. No
D. Yes; Exclude the interval (-?, 3)
Answer: D
Mathematics
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Rationalize the denominator. Assume all variables have positive values.
A. 
B. 
C. 54
D. 5
Mathematics
Solve the problem.Mark's typing speed is 64 words per minute. How many words can he type in 41 minutes?
A. 105 words B. 2,524 words C. 2,624 words D. 2,634 words
Mathematics
Multiply.(x + 5)(x - 9)
A. x2 - 5x - 45 B. x2 - 4x - 5 C. x2 - 45x - 4 D. x2 - 4x - 45
Mathematics
Reduce the fraction by finding a common factor in the numerator and in the denominator and dividing by the common factor.
A. 
B. 
C. 
D. 
Mathematics