Question

Perform indicated operations for function: f(x)=x^2+1 use in f(x+h)-f(x)/h

Answer 1

For $f(x+h) - \dfrac{f(x)}{h}$ reading the fraction like f(x)/h only (f(x+h) start fraction f(x) / h end fraction), the answer is $-x^2/y + x^2 + 2x + y + y^2 - 1/y + 1$