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PLEASEEE HELP ASAP! *grade 9 work* and show your work!!

PLEASEEE HELP ASAP! *grade 9 work* and show your work!!-example-1

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Answer:

at 0 the amount is 5

1 is 7.5

2 is 10

3 is 12.5

the initial value is the y intercept when the value ox x=0

the initial value is 5

the rate of change is the total change of a function of the out put (y) divided by the change of the input (x)

f(x2)-f(x1)/x2-x1

10-7.5/2-1

2.5/1=2.5

or m=y2-y1/x2/x1=10-7.5/2-1=2.5

y=2.5x+5

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