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Value of a Polynomial

For the polyn...

Question

For the polynomial equation
$5 y = 2 - x^{3}$ .
The value of $y$ for $x = 3$ is

A

-5

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B

5

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C

-14

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D

14

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Solution

The correct option is A -5
$Given, 5 y = 2 - x^{3}; x = 3 5 y = 2 - 3^{3} 5 y = 2 - 27 = - 25 y = \frac{- 25}{5} = - 5$

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