SOLUTION: evaluate f '(1) if f(x)=3x

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Question 1023185: evaluate f '(1) if f(x)=3x
Found 2 solutions by ikleyn, fractalier:
Answer by ikleyn(52778) About Me  (Show Source):
You can put this solution on YOUR website!
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evaluate f '(1) if f(x)=3x
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If f(x) = 3x, then f'(x) = 3 and f'(1) = 3.


Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
The derivative of a line is a constant, since its slope is a constant. Thus, for
f(x) = 3x
f'(x) = 3
and
f'(1) = 3