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Precalculus
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Problem 1
The formula for the difference quotient is [f(x + h) - f(x)]/h, h ≠ 0. Use this formula to calculate the difference quotient of the following function:
f(x) = 3x
2
+ 7x - 9
A
6x + 3h
B
6x + 3h + 7
C
2x + h
D
2x + 3h
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