Answer:
a) y = 5x
b) y = 60
Step-by-step explanation:
Since, y is directly proportional to x when y=30, x=6
6.
1 answer:
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vertex: (-4,-7)
x intercepts: (-5.5,0), (-2.5, 0)
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vertex: (-4,-7)
x intercepts: (-5.5,0), (-2.5, 0)
and those two other points
the graph should look something like this: