GioCirilli GioCirilli

25-03-2016
Mathematics

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last question of the day for 20 points :)

last question of the day for 20 points class=

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Аноним Аноним

25-03-2016

When x=0, y=4...

Therefore:

4=a*b⁰

b⁰=1, so a=4.

----------

When x=1, y=2...

Therefore:

2=4*b¹

4b=2

b=2/4

So... b=1/2.

This means that:

y=4*((1/2)^x)

Answer Link

febreselisa5 febreselisa5

04-06-2020

Answer:

When x=0, y=4...

Therefore:

4=a*b⁰

b⁰=1, so a=4.

----------

When x=1, y=2...

Therefore:

2=4*b¹

4b=2

b=2/4

So... b=1/2.

This means that:

y=4*((1/2)^x)

Step-by-step explanation:

Answer Link

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