Question

let f(x)= 3x²-x+5 find f(x-1)​

Answer 1

Answer:

f(x-1)=3(3x^2-6x+5)

Explanation:

f(x)=(3x)^2-x+5

f(x-1)=(3(x-1))^2-(x-1)+5

f(x-1)=(3x-3)^2-x+6

f(x-1)=9x^2+9-2(3x)(3)-x+6

f(x-1)=9x^2-18x+15

f(x-1)=3(3x^2-6x+5)