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How do I write -3*4^(2-x) in f(x)=ab^x form?

How do I write -3*4^(2-x) in f(x)=ab^x form?
asked 20.3k views
3 votes
How do I write -3*4^(2-x) in f(x)=ab^x form?

asked
User Paniclater
by
8.7k points

1 Answer

2 votes

f(x)=-3*4^(2-x)
⇒
f(x)=-3*4^(2)*4^(-x)
⇒
f(x)=-3*16*((1)/(4))^(x)
⇒
f(x)=-48((1)/(4))^(x)
answered
User Jeremias Nater
by
8.6k points
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