Find the exact value of the expression.cos (45° - 30°)
A. 
B. 
C. 
D. 
Answer: D
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The function f is one-to-one. Find its inverse.f(x) = 
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = 
Begin by graphing the standard cubic function f(x) = x3. Then use transformations of this graph to graph the given function.g(x) = -x3 - 2
A. 
B. 
C. 
D. 
Solve the problem. Assume that relative maximum and minimum values are absolute maximum and minimum values.A company that manufactures tennis rackets has determined that the demand functions for the two types of rackets they produce are given by 
and 
where q1 is the price of the standard tennis racket, q2 is the price of the competition tennis racket, x is the weekly demand for standard rackets, and y is the weekly demand for competition rackets. How many of each type of racket must be produced to maximize revenue?
A. 26 standard rackets and 25 competitive rackets B. 26 standard rackets and 26 competitive rackets C. 25 standard rackets and 26 competitive rackets D. 25 standard rackets and 25 competitive rackets
Find the quotient of the fractions. Leave the answer reduced to lowest terms.
÷ 
A. 
B. 
C. 
D. 