Question

Using g(x)-x2+9x-1 find g(y-3)

Answer 1

g(y -3) = y^2 +3y -19

Explanation:

g(x) = x^2 +9x -1

g(y -3) = (y -3)^2 +9(y -3) -1

= y^2 -6y +9 +9y -27 - 1

= y^2 +3y -19