Question

if p(x)= x^2-4x+3, evaluate : p(2)-p(-1)+p(-1/2)

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

Given that,

p(x)=x²-4x+3

we have to replace x by2

p(2)=(2)²-4(2)+3

=4-8+3

=7-8=-1

p(-1)=(-1)²+-4(-1)+3

=1+4+3

=8

p(-1/2)=(-1/2)²-4(-1/2)+3

=1/4+4/2+3

=(1+8+12)/4

=21/4

→p(2)-p(-1)+p(-1/2)

-1-8+21/4

=-4-32+21/4

=21-36/4

=-15/4

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