Question

If f(m)= m²-3m+1
Find f(2+h)-f(2)/h
h≠0

Answer 1

Answer:

f(2+h) = (2+h)² – 3(2+h) ± 1

= 4+4h+h²– 6 – 3h + 1

=h² + h – 1

f (2) = 2²–3(2) + 1 = 4 - 6 + 1 = – 1

f(2+h)–f/h = (h²+h–1)–(–1)/h

h(h + 1)/h

h+1. [h not equal to 0]