Question

If p(x) = x2
– 5x + 7 then find p(2) – p(1).

Answer 1

Answer:

Step-by-step explanation:

p(x)=x²-5x+7

p(2)=2²-5(2)+7

      =4-10+7

      =11-10

      =1

p(1)=1²-5(1)+7

    = 1-5+7

     = 8-5

     =3

p(2)-p(1)=1-3

p(2)-p(1)=-2