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Find the derivative of f(x)= 9√x, then find f′(4).
f′(x)=
f′(4)=
f′(x)=
f′(4)=
Get help:
Box 1: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c
Be sure your variables match those in the question
92√x
Box 2: Enter your answer as a reduced fraction (like 5/3, not 10/6) or as an integer (like 4 or -2)
Do not enter mixed numbers
Enter DNE for Does Not Exist, oo for Infinity
94