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I'm stuck on getting my step function set up. the function is:

f(t)= 0, t<0

(a/b)*t, 0<t<b

a, t>b

where a and b are just constants.

Here's my step function of the first two intervals...the first one I didn't do anything to it since it's zero, so I got:

f(t)=u0(t)(a/b)*t

now I'm stuck on how to get the step function for the last interval.

I appreciate the help, thank you.

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# Writing down the step function

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