The graph is a function because when you use the vertical line test it does not hit more than one point at any given place on the line.
Hope this helped :)
$1602 would be the amount paid for 3 years of lessons.
I can see it goes through the point (2, 2)
b = 6 then
solved it the lazy way, graphically with desmos and a slider for b, see screenshot
Answer:
m² - 4m - 45 = 0
Step-by-step explanation:
(m + 5)(m - 9) = 0
m² + 5m - 9m - 45 = 0
m² - 4m - 45 = 0