Question

Diketahui f(2x-2) = 4x-3. Tentukan!
a). f(5a-2)

Answer 1

F(2x-2) = 4x-3
y = 2x-2
-2x = -y-2
2x = y+2
x = (y+2)/2

f(x) = 4(x+2)/2 - 3
f(x) = 2(x+2)-3
f(x) = 2x+4-3
f(x) = 2x+1

f(5a-2) = 2(5a-2)+1
f(5a-2) = 10a-4+1
f(5a-2) = 10a-3