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VITEEE 2021
MCQ (Single Correct Answer)
+1
-0

Which of the following is not a function?

A
$$\left\{(x, y): x, y \in \mathbb{R}, x^2=y\right\}$$
B
$$\left\{(x, y): x, y \in \mathbb{R}, y^2=x\right\}$$
C
$$\left\{(x, y): x, y \in \mathbb{R}, x=y^3\right\}$$
D
$$\left\{(x, y): x, y \in \mathbb{R}, y=x^3\right\}$$
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