Of the books in a library, 1/3 came from robbie's collection and 15 came from marta's. of the rest, 15 were elena's 1/5 were winfield's, and 5 were purchased from the bookstore. how many book are there in the library?

man its nopq i just guessed and got it right so uhh

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step-by-step explanation:

the correct answer is b. negative exponential growth.

step-by-step explanation:

you can tell it's an exponential function because it decreases rapidly then levels out and never touches the x-axis.

it is negative because the y-axis decreases as the x-axis increases.

therefore it is a negative exponential growth graph.

hope i !