Jika g(x) = 2x² - x maka g(x + 1) =

g(x)= 2(x"2+2x+1) -x
= 2x^2+3x+2

Kelas 11
Matematika
Bab 6 - Fungsi

diketahui :
g(x) = 2x² - x

step 1 : menentukan g(x + 1)
g(x) = 2x² - x
g(x + 1) = 2(x + 1)² - (x + 1)
g(x + 1) = 2(x² + 2x + 1) - (x + 1)
g(x + 1) = 2x² + 4x + 2 - x - 1
g(x + 1) = 2x² + 3x + 1