An important calculation in calculus is the evaluation of the expression 
, where h ? 0. Find 
.f(x) = 9x + 6
A. -6 + 2h
B. -9
C. 6
D. 9
Answer: D
Mathematics
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Find the area of the shaded region. f(x) = x3 + x2 - 6x
A. 
B. 
C. 
D. 
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Estimate the slope of the curve at the indicated point.
A. - 
B. 
C. 2
D. -2
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Solve the following system by any appropriate method. If there is no real number solution, so state.4x2 + 6y2 = 54y = x + 3
A. (0, -3), (
, 
)
B. (0, -3), (- 
, - 
)
C. (0, 3), (
, 
)
D. (0, 3), (- 
, - 
)
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Write the mixed number as an improper fraction.16
A. 
B. 
C. 
D. 
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