Determine whether the function is one-to-one. If so, find a formula for the inverse.f(x) = 
A. f-1(x) = 
B. f-1(x) = x2 + 6, x ? 0
C. f-1(x) = (x - 6)2
D. Not a one-to-one function
Answer: B
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Find an equation for the line tangent to the given curve at the indicated point.y5 + x3 = y2 + 12x, at (0, 1)
A. y = - 
x
B. y = 4x + 1
C. y = - 
x - 1
D. y = 
x + 1
Write or illustrate the number in the indicated form.64; Express in expanded form.
A. 6 ? 100 + 4 ? 101 B. 6 ? 101 + 4 ? 100 C. 6 ? 101 + 4 ? 102 D. 6 ? 102 + 4 ? 101
Solve the problem.A sales representative is paid a commission rate of 2.9%. Find her commission if she sold $143,770 worth of goods last month.
A. $49,575.86 B. $147,939.33 C. $4957.59 D. $4169.33
Solve the problem.If the probability that an identified hurricane will make a direct hit on a certain stretch of beach is 
, what are the odds against a direct hit?
A. 1: 25 B. 25 : 1 C. 23 : 1 D. 24 : 1