Question

Find the value of the polynomial 2 + y + 2y²-y at y - 1.​

Answer 1

Answer:

Let p(y) = 2y²-3y-4

i) If y = = 5 then

value of p(5) = 2(5)²-3(5)-4

= 50-15-4

= 50-19

= 31

ii) if y = -2 then

p(-2) = 2(-2)²-3(-2)-4

= 8+6-4

= 10