3 years ago

The independent variable x varies directly as the dependent variable y.

Mathematics

1 answer:

scoray [572]3 years ago

8 0

Answer:

Step-by-step explanation:

the constant does change

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Write an exponential function in the form y=ab^xy=ab

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Answer:

y=20(6)^x

Step-by-step explanation:

hello :

the graph passes through the point (0,20) : when x=0 and y=20 :

20= ab^0 so a=20 because : b^0 = 1

the graph passes through the point (3,4320) : when x=3. and y=4320 : 4320= ab^3 but : a=20 so : 4320 = 20b^3

so : b^3 = 4320/20 = 216...... 216 = 6^3

b^3 = 6^3

b=6

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Step-by-step explanation:

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$\tt{}1.440.000 \\$

Step-by-step explanation:

$\tt{}1.200 \times 1.200 \: \: \: \: \: \: \: \: \: \: \\ \\ \tt{}((12 \times 12) + (0000)) \\ \\ 1.440.000 \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ \\ \\ \\$

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