Respuesta :

If for every 50$ spent, you get a 10$ credit, what would be the step function formula?

we have that

Let

x ----> amount spent

y ----> amount of credit

so

x/y=50/10

x/y=5

y=(1/5)x

For

[tex]0\text{ < x }\leq50[/tex]

y=$10

For

[tex]50\text{ < x }\leq100[/tex]

y=$20

For

[tex]100\text{ < x }\leq150[/tex]

y=$30

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