Practice problem
If f(x)=x2.687f(x)=x^{2.687}f(x)=x2.687, what is f′(x)f'(x)f′(x)?
1.687x1.6871.687x^{1.687}1.687x1.687
2.687x11.6872.687x^{\frac1{1.687}}2.687x1.6871
2x1.6872x^{1.687}2x1.687
2.687x1.6872.687x^{1.687}2.687x1.687
Type a concept, like “slope” or “photosynthesis”.
