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3 years ago

Help needed i will love you forever

Mathematics

2 answers:

Romashka [77]3 years ago

4 0

Answer:

x=21.3

Step-by-step explanation:

hope this helps

g100num [7]3 years ago

3 0

Answer:

128

Step-by-step explanation:

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Y_Kistochka [10]

The answer should be f(x)=20(2.5)^x

How?

the graph crosses the f(x) axis at 20 but that's common in all 4 equations. However, when x=1, f(x)=50. We have to know try all the equations by substituting these values in ( both sides are equal).

f(x)=20(2.5)^x
substitute f(x)=50, x=1
50=20(2.5)^1
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3 years ago