Question

Tolong dibantu no 17 dgn caranya

Answer 1

Misal :
2x -3 = y
2x = y+3
x = y+3 /2

f(x) = 4(y+3/2)+5
f(x)= 2y+6+5
f(x)= 2y +11

f(x) = 2x +11
f(-7) = 2(-7)+11
f(-7) = -14+11
f(-7) = -3

maap klo salah