diketahui f(2x-2) = 4x-3. tentukan : a. f(x) b. f(3) c. f(5a-2)

Bab Fungsi
Matematika SMP Kelas VIII

a] f(2x - 2) = 4x - 3
f(2x - 2) = 2 (2x - 2) + 1
f(x) = 2x + 1

b] f(3) = 2 . 3 + 1
f(3) = 6 + 1
f(3) = 7

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