Step-by-step explanation:

hope helpful <3
First you have to subtract 3x and then divide everything by -4 to get y=3/4x-7
Answer:
y=9sin(theta)
Step-by-step explanation:
I'm assuming it's in degrees. The amplitude of the graph is 9, and so you multiply the base sine equation y=sin(theta) by nine. I don't see any shifts and the period remains at 2pi (360 degrees) so I don't think anything else is really needed.
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