$x$ is defined as 30% of 30. If $y = x^{2} + 4 x + 7$ , find the value of y.

142

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134

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143

No worries! We‘ve got your back. Try BYJU‘S free classes today!

124

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Solution

The correct option is D
124

$30 % o f 30 = \frac{30}{100} \times 30 = 9$

Substituting $x = 9$ in the given equation, we get
$y = 9^{2} + 4 (9) + 7$
$\Rightarrow y = 81 + 36 + 7 = 124$

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