Find 
.f(x) = 12 - 9x3
A. -9(x2 - xh - h2)
B. -9(3x2 + 3xh + h2)
C. -3x2
D. -9(3x2 - 3x - h)
Answer: B
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Evaluate the integral.
A. 
- 
B. 
+ 
C. 
+ 6
D. ln 
- 
Identify equilibrium values and determine which are stable and which are unstable.
= (y + 3)(y + 2)
A. y = -3 is a stable equilibrium value and y = 2 is an unstable equilibrium. B. y = -2 is a stable equilibrium value and y = 3 is an unstable equilibrium. C. y = 3 is a stable equilibrium value and y = 2 is an unstable equilibrium. D. y = 2 is a stable equilibrium value and y = -3 is an unstable equilibrium.
Suppose the average wage earner saves 15% of her take-home pay and spends the other 85%. Estimate the impact that a proposed $25 billion tax cut will have on the economy over the long run due to the additional spending generated. Round the answer to the nearest billion dollars. ? $ __________ billion
Fill in the blank(s) with the appropriate word(s).
Find another name for the given number, but with the denominator indicated.
= 
A. 
B. 
C. 
D. 