The function f is one-to-one. State the domain and the range of f and f-1. Write the domain and range in set-builder notation.f(x) = 
A. f(x): D = , R =
;
f-1(x): D = , R =
B. f(x): D = , R =
;
f-1(x): D is all real numbers, R =
C. f(x): D = , R =
;
f-1(x): D = , R =
D. f(x): D = , R is all real numbers;
f-1(x): D is all real numbers, R =
Answer: A
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Solve the problem.Alison sets aside each month to spend on books and music files. If she spends m dollars on music files in a given month she may spend b dollars on books where
Graph the equation and use the graph to estimate the amount Alison may spend on books in March if she spends
on music files.
A. $23 B. $34 C. $87 D. $30
Graph. +
= 1
A.
B.
C.
D.
Solve the equation. Use the change of base formula to approximate an exact answer to the nearest hundredth when appropriate.e-x = 808
A. x = -log 808 B. x = ln 808 C. x = -ln 808 D. x = ln -808
Translate to an equation and solve.What percent of 75,515 is 47,574.45?
A. 0.63% B. 63% C. 0.016% D. 1.6%