Question

Q.8 If p(x) = x2 - 4x + 3, then evaluate
p(2) -p(-1)+p(1/2)​

Answer 1

p(2) = 2²-8+3 = -1

p(-1) = 1+4+3 = 8

p(1/2) = 1/4-2+3 = 1/4+1 = 5/4

p(2)-p(-1)+p(1/2) = -1-8+5/4 = -9+5/4 => (-36+5)/4 = -31/4