Question

Tentukan rumus fungsi f(x), jika diketahui f(2x-3) = 2x^2-x+1

Answer 1

Answer 2

Misalkan
y=2x-3 maka x=y/2. + 3/2
f(y)=2(y/2. + 3/2)^2. - (y/2. + 3/2) + 1
= y^2. / 2. + 5y /2. + 4
maka f(x) = x^2. / 2. + 5x/2. + 4