Question

Find the value of the polynomial f(x) = 2x’ – 3x – 2 at
i.
ii.
x= 1
x = -2
​

Answer 1

Answer:

i. x=1 (given)

f(x) = 2x² - 3x - 2

f(1) = 2(1)² - 3(1) - 2

⇒ 2 - 3 - 2

⇒ 0 - 3

⇒-3

ii. x = -2 (given)

f(-2)= 2(-2)² - 3(-2) - 2

⇒ 8 + 6 - 2

⇒14 - 2

⇒12

Answer 2

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