Question

IF p(X)= x²-5x+7, evaluate
p(2) - P(-1)+ p(1/3)​

Answer 1

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Answer 2

Step-by-step explanation:

p(x)=x^2-5x+7

p(2)=2^2-5×2+7

=4-10+7

=1

p(-1)=(-1)^2-5×(-1)+7

=1-(-5)+7

=-4+7

=3

p(1/3)=(1/3^2)-(5×1/3)+7

=1/6-2+7

=1×1/6×1-2×6/1×6+7

=1/6-12/6+7

= 1-12/6+7

=11/6+7

=11/6+42/6

=11+42/6

=53/6

=8.83

1+3+8.83

=4+8.83

=12.83