Practice problem
Find the derivative of the function using the definition of derivative. f(x)=x+xf(x)=x+\sqrt{x}f(x)=x+x
1+x21+\frac{\sqrt x}{2}1+2x
12x+1\frac{1}{2\sqrt x}+12x1+1
2x+1x2x+\sqrt{\frac1x}2x+x1
1x+1\sqrt{\frac1x}+1x1+1
Type a concept, like “slope” or “photosynthesis”.
