Determine the x values that cause the polynomial function to be (a) zero, (b) positive, and (c) negative.f(x) = (5x + 4)(x2 + 5)(x - 7)
A. (a) 
, (b) 
(c) 
? (7, ?)
B. (a) 
, (b) 
? (7, ?), (c) 
C. (a) 
, (b) 
? (7, ?), (c) 
D. (a) 
, (b) 
? (7, ?), (c) 
Answer: C
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Write as a decimal number rounded as indicated.0.
; Round to the nearest thousandth.
A. 0.697 B. 0.696 C. 0.699 D. 0.700
Find a formula for the inverse of the function described below.A size 12 dress in Country C is size 56 in Country D. A function that converts dress sizes in Country C to those in Country D is 
A. f-1(x) = 
B. f-1(x) = x - 16
C. f-1(x) = 
+ 16
D. f-1(x) = 
- 16
Solve the problem.A man earned $3000 the first year he worked. If he received a raise of $400 at the end of each year, what was his salary during the 15th year?
A. $8600 B. $5600 C. $9000 D. $3000
Determine what percent of the figure is shaded.
A. 75%
B. 33
%
C. 25%
D. 300%