(pls help!!) Find an equation in point-slope form for the line having the slope m=2 and containing the point (4,5).
1 answer:
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Answer:
Step-by-step explanation:
Let
x ----> the number of minutes
y ----> the total charge in dollars
we know that
For x>700 min
so
For y=48.10
substitute
Multiply by 100 both sides
----> equation without decimals
solve for x
To find out the total minutes we need to sum