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If f(x)=4x2, find f′(3).
To find the derivative f′(x) of the function f(x)=4x2, you need to use the power rule for differentiation. Once the derivative is determined, substitute x=3 to calculate the specific value f′(3) .
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Box 1: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
Enter DNE for Does Not Exist, oo for Infinity
-827