36. write an algebraic expression for nine more than three times a number.
1 answer:
Step-by-step explanation:
36. 9 + 3x
37. (t - 2) hours
38. r + s
39. 5(p + q)
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Function is always positive, except for f(x)=0. Therefore, f(x)=0 is the vertex.

The vertex is at (-3,0).