### Home > CALC > Chapter Ch2 > Lesson 2.2.2 > Problem 2-64

2-64.

Kimberly is always complaining that it is either too hot or too cold. As a matter of fact, she is so picky that she is only happy when it is

*exactly*72°F. At 8:00 a.m. it is 65°F. By 3:00 p.m. it is 90°. Homework Help ✎Is there a time when Kimberly is happy?

If at 6:00 p.m. the temp is 70°F, what is the minimum number of times Kimberly was happy today?

Is it possible for temperature to rise from 65°F to 90°F without reaching every possible temperature in between 65°F to 90°F ?

At 8:00 am, it was 65° F.

At 3:00 pm, it was 90°F.

At 6:00 pm, it was 70°F.