Can someone help me

asked Oct 22, 2018 112k views

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Can someone help me

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2 votes

Just replace x by 19==> f(19) = 3/(19+2) - √(19-3) ==> 3/21 - √16

3/21 - √16 = 3/21 - 4 . Reduce to same denominator f(19) =- 81/21 or -27/7

DreamWerx answered Oct 24, 2018

7.6k points

6 votes

Fill in x=19 and you get:

$f(19) = (3)/(19+2) - √(19-3) = (3)/(21) - √(16) = \frac17 - 4 = -3\frac67$

Zaggo answered Oct 26, 2018

by Zaggo

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