Question

P(x)=5x-22/7 value of x=4/5

Answer 1

Answer:

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Step-by-step explanation:

p(4/5) = 5x - 22/7

          = 5 x 4/5 - 22/7

         = 4-22/7

          = 28-22/7

          = 6/7

Answer 2

Answer:

6/7

Step-by-step explanation:

$p(x) = 5x - \frac{22}{7} \\ x = \frac{4}{5} \\ p(x) = 5 \times \frac{4}{5} - \frac{22}{7} \\ \: \: \: \: \: \: \: \: \: \: = 4 - \frac{22}{7} \\ \: \: \: \: \: \: \: \: \: \: = \frac{28 - 22}{7} \\ \: \: \: \: \: \: \: \: \: \: \: = \frac{6}{7}$