Find the domain and range of the inverse of the given function.f(x) = - 
A. Domain: (-?, 0) ? (0, ?); range: (-?, 0)
B. Domain and range: all real numbers
C. Domain: (0, ?); range: (-?, 0)
D. Domain and range: (-?, 0) ? (0, ?)
Answer: D
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Solve the problem.If ?1 and ?2 are supplementary angles and ?1 is 5 times as large as ?2, then what are the measures of the two angles?
A. ?1 = 75°, ?2 = 15° B. Not enough information to solve C. ?1 = 150°, ?2 = 30° D. ?1 = 144°, ?2 = 36°
Solve the problem.Some values for a relation are given in the table. Is the relation a function?
A. Yes B. No
Use transformations of the graph of y = x4 or y = x5 to graph the function.f(x) = x4 + 4 
A. 
B. 
C. 
D. 
A company introduces a new product on a trial run in a city. They advertised the product on television and found the percentage P of people who bought the product after t ads had run satisfied the function 
(a) What percentage buys the product after the ad has been been run 1 time, 5 times, 20 times? (b) Find the rate of change P?(t ) . (c) Sketch a graph of the function.