Question

Dada a função
f(x)= 2−3x+ 1, calcule:
b) (2 +h).
c) ( +h).

Answer 1

f(2+h)= 2-3(2+h)+1

2-6-3h+1=0

-3h=-1+6-2

-3h=3

h=-1

f(+h)=2-3(+h)+1=0

2-3h+1=0

-3h=-1-2

-3h=-3 (-1)

3h=3

h=1