Question

p(x) = 5x - π , x = 4/5

Answer 1

p(4/5)= 5*4/5 - 22/7
p(4/5)=4-22/7
by taking the lcm

4/1 - 22/7
4*7/1*7 - 22*1/7*1
28-22/7
6/7 is the answer



i think this is the answer
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Answer 2

Given: $p(x)=5x-\pi , x=\frac{4}{5}$

placing $x$ value in above, we get:

$p(x)=p(\frac{4}{5})=5(\frac{4}{5})-\pi$

$p(x)=p(\frac{4}{5})=4-\pi$

$=4-\frac{22}{7}$

$=\frac{28-22}{7}$

$=\frac{6}{7}$

Therefore:

$p(x)=p(\frac{4}{5})=\frac{6}{7} .$