Solve.The population P of a predator mammal depends upon the number x of a smaller animal that is its primary food source. The population s of the smaller animal depends upon the amount a of a certain plant that is its primary food source. If 
and 
what is the relationship between the predator mammal and the plant food source?
A. P(s(a)) = 6a + 10
B. P(s(a)) = 12a2 + 48a + 54
C. P(s(a)) = 4a2 + 16a + 22
D. P(s(a)) = 12a2 + 24a + 54
Answer: B
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Use the following definitions to translate the statement into words. p: The monitor is included. q: The color printer is optional. r: The zip drive is extra.~(p ? q) ? (r ? ~q)
A. If the monitor is included and the color printer is optional, then the zip drive is extra or the color printer is not optional. B. It is not true that if the monitor is included or the color printer is optional, then the zip drive is extra and the color printer is not optional. C. It is not true that if the monitor is included and the color printer is optional, then the zip drive is extra or the color printer is not optional. D. If the monitor is included and the color printer is optional, then it is not true that the zip drive is extra or the color printer is not optional.
Solve.A young married couple had a combined annual income of $80,000. If the wife made $4000 more than the husband, write these relationships as a system of equations. Let x be the husband's income and let y be the wife's income.
A. x + y = 4000 y = x + 80,000 B. x + y = 80,000 y = 4000 C. x - y = 80,000 y = x + 4000 D. x + y = 80,000 y = x + 4000
Rewrite the given integral so that it fits the form 
, and identify u, du, and n.
A. -
; u = sin x, du = -cos x dx, n = -7
B. 
; u = sin x, du = cos x dx, n = -7
C. 
; u = sin x, du = cos x dx, n = 7
D. 
; u = cos x, du = sin x dx, n = -7
Find the part.2
% of 8500 trees
A. 187 trees B. 19 trees C. 1870 trees D. 18,700 trees