Question

If the function f is given by f(x)= 4x -3, find the value of f(2+h)

Answer 1

• f(x)=4x-3

$\\ \sf\longmapsto f(2+h)$

$\\ \sf\longmapsto 4(2+h)-3$

$\\ \sf\longmapsto 4h+8-3$

$\\ \sf\longmapsto 4h+5$