Determine whether the given function is one-to-one. If it is one-to-one, find its inverse.f(x) = 
A. Not one-to-one
B. f-1(x) =
C. f-1(x) =
D. f-1(x) =
Answer: D
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The circle graph shows the results of the student council presidential election. The complete circular area represents 100% of the votes.The circle graph shows what percent of the vote each person received.What percent of the votes did Ming and Gina receive together?
A. 19% B. 22% C. 59% D. 41%
Find the difference.15 - (-10)
A. -25 B. -5 C. 25 D. 5
For the given functions f and g, find the requested function and state its domain.f(x) = 9 - 7x; g(x) = -3x + 7Find f + g.
A. (f + g)(x) = -3x + 9; {x| x ? 3} B. (f + g)(x) = -4x + 16; {x|x ? - 4} C. (f + g)(x) = -10x + 16; all real numbers D. (f + g)(x) = 6x; all real numbers
Find an equation for the ellipse described.Vertices at (-6, 5) and (12, 5); focus at (10, 5)
A. +
= 1
B. +
= 1
C. +
= 1
D. -
= 1