# math;)

What is the instantaneous rate of change of the function f(x)=6x^2-x at the point (-1,7)?
a. -13
b. -5
c. 7
d. 11

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2. 👎
3. 👁
1. f' = 12 x - 1
so what is -12 - 1
?????

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2. 👎

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