### Home > PC > Chapter 2 > Lesson 2.3.6 > Problem 2-146

2-146.

Visualize this set of functions using the eTool below.

Set the two parts of the function equal to each other for the value of *x* = 1.

*x*^{2} + 1 = −2*ax* + 7 for *x* = 1

Substitute 1 in for *x* and solve for *a*.