if p(x) = x^2 - 4x + 3, evaluate : p(2) - p(-1)+ p(1/2). please answer fast
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p(2) = 2^2 - 4(2) + 3
= 4-8+3
=-1
p(-1) =(-1)^2 - 4(-1) + 3
=1+4+3
=8
p(1/2) =(1/2)^2 - 4(1/2) + 3
= 1/4 -2+3
=5/4
p(2) - p(-1)+ p(1/2)=-1+8+5/4
=7+5/4
= 33/4
= 4-8+3
=-1
p(-1) =(-1)^2 - 4(-1) + 3
=1+4+3
=8
p(1/2) =(1/2)^2 - 4(1/2) + 3
= 1/4 -2+3
=5/4
p(2) - p(-1)+ p(1/2)=-1+8+5/4
=7+5/4
= 33/4
jyothsnagourraj:
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