Answer:
3x+4
3×(-2)+4=-10
3×(-1)+4=-8
3×0+4=4
3×2+4=10
3×1+4=8
Domain: (−∞,∞)
Range: (−∞,∞)
Step-by-step explanation:
36x^3 - 81x
9x(4x^2 - 9)
9x(2x - 3)(2x + 3)
She is right
=18