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Maru [420]
3 years ago
7

PLEASE HELP ME WITH THESE QUESTIONS PLEASE HELP ME FIGURE THEM OUT PLZ

Mathematics
1 answer:
AleksandrR [38]3 years ago
7 0

Answer: f(-6) = -\frac{12}{11}, f(-4) = \frac{4}{3}, f(6) = \frac{12}{11}

<u>Step-by-step explanation:</u>

#1 - 7 and 9 are correct but 8 is wrong:

f(x) = \frac{2x}{x^{2}-25}

f(-6) = \frac{2(-6)}{(-6)^{2}-25}

      = \frac{-12}{36-25}

      = \frac{-12}{11}

f(-4) = \frac{2(-4)}{(-4)^{2}-25}

      = \frac{-8}{16-25}

      = \frac{-12}{-9}

      = \frac{4}{3}

f(6) = \frac{2(6)}{(6)^{2}-25}

      = \frac{12}{36-25}

      = \frac{12}{11}

*********************************************************************************************

Your answers on the last page are correct

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