y = mx + b
y = 2x + 1
y - y₁ = m(x - x₁)
y - 4 = 2(x - 5)
y - 4 = 2(x) - 2(5)
y - 4 = 2x - 10
+ 4 + 4
y = 2x - 6
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- 5 dollars, the V thing sits on top of the line and 5 comes after signifying that it could be 5 dollars or more
The square root of 5 is 2.2 and 4 times the square root of 10 is 100
