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maw [93]
4 years ago
15

PLEASE HELP ASAPPPPPPPP

Mathematics
1 answer:
laila [671]4 years ago
4 0
f(x)=a\cdot b^x\\\\\text{a-the initial amount}\\\\\text{b-growth factor}

\text{We have:}\ f(x)=620\cdot7.8^x\\\\\text{a=620; b=7.8}

\boxed{Answer:\ B.\ 620,\ 7.8}

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