Assume that y its Jonah's cash and its initially 3000 y=300 But he spends 25/week. Assume that x is number of weeks. * y=300-25 x - its our function **If we want to find Jonahs cash after 9 week we have to substitute x=9, so *** y=300-25 9
y=300-225 y=75$ - its the resul t
Jonah has a remaining amount of $75 after 9 weeks by spending $25 each week from his original $300. The function describing his spending is y = 300 − 25 x . This information can also be represented in a graph showing a linear decrease in his funds over time.
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