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

Jawaban:

16

Penjelasan:

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

5p = -7-3

5p = -10

p = -2

f(3) = 5×3 + 3 = 15+3 = 18

q = 18

p + q = -2 + 18 = 16