1. if f(x) = |x + 6|, find f(−10).
a. -16
b. 16
c. -4
d. 4
2. if f(x) = |x − 4| + 5, find f(1).
a. 8
b. 2
c. 0
d. 10
3. if f(x) = 8 − 3|x + 2|, find f(−6).
a. 20
b. -16
c. -4
d. 4

The graph shows the decibel measure for sounds depending on how many times as intense they are as the threshold of sound. noise in a quiet room is 500 times as intense as the threshold of sound. what is the decibel measurement for the quiet room? 20 decibels28 decibels200 decibels280 decibels