Question

2.
Find the value of the polynomial 4x - x + 2x2 - 5 at
(iii) x = 1
(ii) x = -2
(i) x = 1
(iv) x = 5
following nolynomials at the points​

Answer 1

Answer:

i) 4(1)-1+4-5

4-1-1

4-2

2

ii) 4(-2)+2+4-5

-8+1

-7

iii) 2

iv) 4(5)-5+4-5

20-5-1

20-6

14