?A population of bacteria is introduced into a culture. The number of bacteria P can be modeled by 
where t is the time (in hours). Find the rate of change of the population when 
.
?
A. 21.95 bacteria/hr
B. ?3.53 bacteria/hr
C. ?10.6 bacteria/hr
D. ?2.07 bacteria/hr
E. ?7.32 bacteria/hr
Answer: C
Mathematics
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Describe the graph of the polar equation.r = -6 csc ?
A. Vertical line through (-6, 0) B. Line through origin with slope -6 C. Horizontal line through (0, -6) D. Circle of radius 6 centered at origin
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Simplify.
A. 25
B. 11
C. 5
D. 5
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Use the graph of a power function and transformations to sketch the graph of the polynomial function.f(x) = 3 - (x + 2)4
A. 
B. 
C. 
D. 
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Divide. Write a mixed numeral for the answer.5
÷ 5
A. 1
B. 2
C. 1
D. 1
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