State how many complex and real zeros the function has.f(x) = x4 - 8x3 + 17x2 - 8x +16
A. 4 complex zeros; 2 real
B. 4 complex zeros; 1 real
C. 4 complex zeros; all 4 real
D. 4 complex zeros; none real
Answer: A
Mathematics
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Solve the equation by completing the square.x2 = 7 - 8x
A. -1 ± 
B. -4 ± 
C. -4 ± 2
D. 4 + 
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Williams Commuter Air Service realizes a monthly revenue of 
dollars when the price charged per passenger is x dollars.
?
Find the marginal revenue 
.
?
A. 
B. 
C. 
D. 
Mathematics
Give the domain and range of the relation.y = 
A. domain: 
; range: [0, ?)
B. domain: 
; range: [0, ?)
C. domain: (-?, ?); range: 
D. domain: 
; range: (-?, ?)
Mathematics
Write the decimal as a percent.The Santos family saves 0.23032 of their income.
A. 0.023032% B. 23.032% C. 2.3032% D. 0.0023032%
Mathematics