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pochemuha
3 years ago
5

Help me plzzzzzzzzzzzz

Mathematics
2 answers:
Monica [59]3 years ago
7 0

Answer:

f(19) = - 27/7

Step-by-step explanation:

f(x) =  \frac{3}{x + 2}  -  \sqrt{x - 3} \\ f(19) =  \frac{3}{19 + 2}   -  \sqrt{19 - 3}  \\ f(19) =  \frac{3}{21}  -  \sqrt{16}  \\ f(19) =  \frac{1}{7}  - 4 \\ f(19) =  \frac{1}{7}  -  \frac{28}{7}  \\ f(19) =  -  \frac{27}{7}

Paraphin [41]3 years ago
5 0

Answer: -27/7

Step-by-step explanation:

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