Practice problem
Find the linear approximation of f(x)=x5+4x4f(x)=x^5+4x^4f(x)=x5+4x4 at a=−1a=-1a=−1.
y=11x−8y=11x-8y=11x−8
y=14−11xy=14-11xy=14−11x
y=−11x−8y=-11x-8y=−11x−8
y=−11x−11y=-11x-11y=−11x−11
Type a concept, like “slope” or “photosynthesis”.