### Home > PC > Chapter 6 > Lesson 6.3.2 > Problem 6-131

6-131.

Exponential

*x* = number of days since Monday

Test using your function.

Set *y* = 100 and solve for *x*.

6-131.

Exponential

*x* = number of days since Monday

Test using your function.

Set *y* = 100 and solve for *x*.