Check-in 07 Score: 3/5 3/5 answered Question 4 C 0/1 pt ) 10 0 Details Suppose that f is a function given as f(x) = - r + z -4. Simplify the expression f(r + h). f ( z + h) = Simplify the difference quotient, f(z + h) - f(=) h f ( z + h) - f(=) h The derivative of the function at r is the limit of the difference quotient as h approaches zero. f (z) = lim f(= + h) - f(I) A-0 h