### Home > PC3 > Chapter 8 > Lesson 8.3.5 > Problem 8-154

8-154.

Write the equation of the line

*y*=*ax*+*b*so that*f*is continuous. Homework Help ✎

When *x* = − 1, *x*^{3} − 4 = *ax* + *b*.

When *x* = 1, *ax* + *b* = *x*^{2} − 8.

(−1)^{3} − 4 = *a*(−1) + *b**a*(1) + *b* = (1)^{2} − 8