The function f is one-to-one. Find its inverse.f(x) = 3x2 - 9, x ? 0
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = - 
Answer: A
Mathematics
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Find the slope of the line that passes through the given points.(9, 8), (-1, 8)
A. 7 B. 17 C. 0 D. 1
Mathematics
Use the formula for 
to evaluate the expression.
A. 9 B. 90,720 C. 181,440 D. 1
Mathematics
Find the dot product for the pair of vectors.
, 
A. 90 B. 103 C. -117 D. 77
Mathematics
Simplify, if possible, by combining like terms.2st2 - 9st2
A. -7st2 B. 7st2 C. -7s2t4 D. Cannot be simplified
Mathematics