Question

find the expression for f(x+h) by substituting x+h for each x in the expression for f(x) a. f(x)=3x^2-2x+6

Answer 1

in the function f(x), replace x in this function with (x+h)

Answer 2

3(x+h)^2 - 2(x+h) + 6
= 3(x^2+2xh+h^2) - 2x+2h + 6
3x^2+6xh+3h^2 - 2x +2h+6

Answer 3

thank you!