Use the Leading Coefficient Test to determine the end behavior of the polynomial function.f(x) = (x + 1)(x + 3)(x + 5)2
A. y ? -? as x ? -? and y ? -? as x ? ?
B. y ? ? as x ? -? and y ? ? as x ? ?
C. y ? -? as x ? -? and y ? ? as x ? ?
D. y ? ? as x ? -? and y ? -? as x ? ?
Answer: B
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Find the equilibrium solution of the equation. Use a sketch of the direction field for 
to determine whether the equilibrium is stable.y'(t) = 2y - 19
A. y = 
; stable
B. y = 
; unstable
C. y = 21; stable
D. y = 
; unstable
Solve the problem. Round to the nearest cent.Find the deposit required to accumulate $16,000 after investing 5 years in an account that pays an APR of 3% compounded semiannually. How much is earned in interest?
A. $18,568.65; $2568.65 B. $65.19; $15,934.81 C. $13,801.74; $2198.26 D. $13,786.68; $2213.32
Every equilateral triangle is ________________.
Fill in the blank(s) with the appropriate word(s).
Solve the problem.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)) = 9a2 + 12a + 9 B. P(s(a)) = 36a2 + 24a + 21 C. P(s(a)) = 12a + 7 D. P(s(a)) = 36a2 + 48a + 21