It’s written in slope intercept form .
Answer:
-15x + 30
Step-by-step explanation:
-3(5x -10)
-15x + 30
So, the function is obviously shifted up by 1 so it rules out A and B, and we also see that the period is 4pi rather than 2pi, and using the fact that:

Now that we know our b value, we see that the correct answer would be C.
Answer:
-54
Step-by-step explanation:
-3 -3/4(c-4)=5/4

Answer:10 times
Step-by-step explanation: