Q.Diketahui f(x) = 2x + 5, jika f(a) = 11 maka nilai a adalah…____​

Penjelasan dengan langkah-langkah:

f(x) = 2x + 5

2a + 5 = 11

2a = 11 – 5

2a = 6

a = 6/2

a = 3

~Fungsi

_______

f(x) = 2x + 5

f(a) = 11

2a + 5 = 11

2a = 11 – 5

2a = 6

a = 6 ÷ 2

a = 3