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2 years ago

Can someone help me

Mathematics

2 answers:

s2008m [1.1K]2 years ago

7 0

Fill in x=19 and you get:

$f(19) = \frac{3}{19+2} - \sqrt{19-3} = \frac{3}{21} - \sqrt{16} = \frac17 - 4 = -3\frac67$

marishachu [46]2 years ago

6 0

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

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