19. Which of the following relationships is a function? > 1
O A. y² = 26²
B.
Domain Range
3
> 2
4
7
C. y2 = x2 – 3x + 4
D.
Domain Range
13
0
2
-1

Which expression is equivalent to 3^3 + 2^2?

Adecibel is a logarithmic unit that can be used to measure the intensity of a sound. the function y = 10logx gives the intensity of a sound in decibels, where x is the ratio of the intensity of the sound to a reference intensity. the reference intensity is generally set at the threshold of hearing. use the graphing utility to graph the decibel function.a whisper has a sound intensity of 30 decibels. use your graph to you complete the following statement. the sound intensity of a whisper is times the reference intensity.

Kerion has a beaded necklace business. she can make 12 necklaces is 2 hours. how long will it take her to make 9 necklaces?