Answer:
The midline is a horizontal axis that is used as the reference line about which the graph of a periodic function oscillates.
Step-by-step explanation:
Or the Y axis is the mikddle line
5a(6 - )
Given
30a - 5 ← factor out 5a from each term
= 5a(6 - ) ← in factored form
The rate of change is -7/1 or -7
5
Your answer would be D. 135
1/5
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