5. Which relation is a function?

A. {(–2, –12), (–2, 0), (–2, 4), (–2, 11)}

B. {(–4, –6), (–3, –2), (1, –2), (1, 0)}

C. {(8, 1), (4, 1), (0,1), (–15, 1)}

D. {(0,1), (0, 2), (1, 2), (1, 3)}

If 3 3/4 lb. of candy costs 20.25 how much would 1lb. of candy cost

In order for the function to be linear, what must m be and why? m = 22 because the rate of change is 1. m = 20 because the rate of change is 3. m = 22 because the rate of change is -1. m = 20 because the rate of change is -3.

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