II think you mean
t^2 + 4 t + 30
v = 2 t + 4
a = 2
I do not know why you are supposed to know that if you are not taking calculus.
Using the distance function s(t) = t2 + 4t + 30, "s" is in feet and "t" is in seconds, find the velocity function, v(t), and acceleration function, a(t).
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