Answer:
x² - 8x + 12 = 0
(x - 6)(x - 2) = 0
x = 2, 6
f(4) = -4
Plot (0, 12), (2, 0), (4, -4), (6, 0), and (8, 12) on the graph. Then draw a smooth curve that goes through these points.
5.7m questions
7.4m answers