Home > A2C > Chapter 9 > Lesson 9.3.2 > Problem 9-160
9-160.
The graphs of y = log2(x − 1) and y = x3 − 4x intersect at two points: (2, 0) and approximately (1.1187, −3.075). Use that information to solve log2(x − 1) = x3 − 4x. Homework Help ✎
Look at the x-values of the points.
x = 2, x ≈ 1.1187