In Exercises 23-28

MATHEMATICS · Subjective · AP · Calculus AB · Differentiation: Definition and Fundamental Properties · Differentiation: Definition and Fundamental Properties

Problem

In Exercises 23-28, find the derivative, if it exists, of the function at the specified point. 23. f(x)=1−x2f(x)=1-x^{2} at x=2x=2 24. f(x)=2x+12x2f(x)=2 x+\frac{1}{2} x^{2} at x=2x=2 25. f(x)=3x2+2f(x)=3 x^{2}+2 at x=−2x=-2 26. f(x)=x2−3x+1f(x)=x^{2}-3 x+1 at x=1x=1 27. f(x)=∣x+2∣f(x)=|x+2| at x=−2x=-2 28. f(x)=1x+2f(x)=\frac{1}{x+2} at x=−1\quad x=-1

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