Diketahui rumus fungsi f(x) = 5x + 3. Jika f(p) = -7 dan f(3) = g, maka nilai p + g =

Diketahui rumus fungsi f(x) = 5x + 3. Jika f(p) = -7 dan f(3) = g, maka nilai p + g = ….

Jawab:

f(x) = 5x + 3

f(p) = 5p + 3 = -7

        5p = -10

          p = -2

f(3) = 5(3) + 3 = g

          15 + 3 = g

          18 = g

Jadi nilai p + g = -2 + 18 = 16