Question

p(x) = 4x³ + 3x²- 4x + k (x =1)​

Answer 1

Answer:

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Step-by-step explanation:

p(x) = 4x³ + 3x²- 4x + k

Putting x = 1

p(1) = 4(1)³ + 3(1)²- 4(1) + k

0 = 4 + 3 - 4 + k

0 = 3 + k

∴ k = -3