Question

f(3x -4)=2x+7
determine
f(0)
f(-16)

Answer 1

f(3*(4/3) - 4) = 2*(4/3) + 7
f(4 -4) = 8/3 + 7
f(0) = 8/3 + 21/3 = 29/3

f(3*(-4) - 4) = 2*(-4) + 7
f(-12 - 4) = -8 + 7
f(-16) = -1