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Tpy6a [65]
3 years ago
8

F(x) = 3x + 2 replace f(x) with y

Mathematics
1 answer:
kirill [66]3 years ago
5 0

Answer:

 -1           x - 2

f    (x) = -----------

                  3

Step-by-step explanation:

Then we have y = 3x + 2.

Next, interchange x and y, obtaining x = 3y + 2

Next, solve this result for y:  3y = x - 2; then divide both sides by 3:

y = (x-2)/3

Last, replace "y" with the inverse function label:

 -1           x - 2

f    (x) = -----------

                  3

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M is directly proportional to r2.when r=2,m=14.Work out the value of r when m =224
balandron [24]
<h3>♫ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ♫</h3>

➷ M = k x r^2

Substitute in the values:

14 = k x 2^2

Divide both sides by 2^2 to find k:

k = 3.5

Substitute the new values in:

224 = 3.5 x r^2

Divide both sides by 3.5 to find r^2

r^2 = 64

Square root it:

r = 8

<h3><u>✽</u></h3>

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601.584 to the nearest tenth
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katrin2010 [14]

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4 0
3 years ago
PLEASE HELP WILL MARK BRAINLIEST!
nlexa [21]

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6 0
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Answer:

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