If p (x)=(x)2 -4x+3 then evaluate p (2)-p (-1)+p (1/2)
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Answered by
62
p (x)=x^2-4x+3
p (2)=2^2-4 (2)+3
p(2)=4-8+3
p(2)=-1
p(-1)=(-1)^2-4 (-1)+3
p(-1)=1+4+3
p(-1)=8
p(1/2)=(1/2)^2- 4(1/2)+ 3
p(1/2)=1/4 - 2+3
p(1/2)=1/4 + 1
p (1/2)=5/4
p(2)-p (-1)+p (1/2)
=-1-8-5/4
=-9 - 5/4
=(-36-5)/4
=-41/4
p (2)=2^2-4 (2)+3
p(2)=4-8+3
p(2)=-1
p(-1)=(-1)^2-4 (-1)+3
p(-1)=1+4+3
p(-1)=8
p(1/2)=(1/2)^2- 4(1/2)+ 3
p(1/2)=1/4 - 2+3
p(1/2)=1/4 + 1
p (1/2)=5/4
p(2)-p (-1)+p (1/2)
=-1-8-5/4
=-9 - 5/4
=(-36-5)/4
=-41/4
Answered by
39
the right answer is -31/4
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