1
VITEEE 2022
MCQ (Single Correct Answer)
+1
-0

The domain of $$f(x)=\sqrt{\log \frac{1}{4}\left(\frac{5 x-x^2}{4}\right)}+{ }^{10} C_x$$ is

A
$$(0,1] \cup[4,5)$$
B
$$(0,5)$$
C
$$\{1,4\}$$
D
None of these
2
VITEEE 2021
MCQ (Single Correct Answer)
+1
-0

The quotient of the identity function by the reciprocal function is given by

A
$$x^2 \forall x \in \mathbb{R}$$ (set of real numbers)
B
$$\frac{1}{x^2} \forall x \in \mathbb{R}-\{0\}$$
C
$$x^2 \forall x \in \mathbb{R}-\{0\}$$
D
None of the above
3
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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