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Answer:
p(t) = 5×2^t
Step-by-step explanation:
You are given a couple of points, so can find the values of 'a' and 'b' in the function.
p(0) = 5
p(0) = a×b^0 = a
a = 5
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p(1) = 10
p(1) = 5×b^1
10 = 5b
2 = b . . . . divide by 5
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Now you know the function is ...
p(t) = 5×2^t
