3 years ago

Domain and range anyone?

Mathematics

1 answer:

seropon [69]3 years ago

7 0

Answer:

second one

Step-by-step explanation:

range is the y values

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2 years ago

M is directly proportional to r2.when r=2,m=14.Work out the value of r when m =224

DENIUS [597]

Answer:

$r=8$

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form $y=kx$

In this problem

Let

$y=m$

$x=r^{2}$

substitute

$m=kr^{2}$

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For $r=2, m=14$

$14=k(2^{2})$

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the equation is equal to

$m=(14/4)r^{2}$

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3 years ago