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Domain & Range
Q1โ€“10 of 25
1

Find the domain of the definition of the function
y = |x|.

Correct Answer: B. โ€“โˆž < x < +โˆž
Explanation: No explanation available.
2

Find the domain of the definition of the function
y = โˆšx.

Correct Answer: D. x โ‰ฅ 0
Explanation: No explanation available.
3

Find the domain of the definition of the function
y = |โˆšx|.

Correct Answer: A. x โ‰ฅ 0
Explanation: No explanation available.
4

Find the domain of the definition of the function
y = (x โ€“ 2)ยนแŸยฒ + (8 โ€“ x)ยนแŸยฒ.

Correct Answer: C. 2 โ‰ค x โ‰ค 8
Explanation: No explanation available.
5

Find the domain of the definition of the function
y = (9 โ€“ xยฒ)ยนแŸยฒ.

Correct Answer: A. โ€“3 โ‰ค x โ‰ค 3
Explanation: No explanation available.
6

Find the domain of the definition of the function
y = 1/(xยฒ โ€“ 4x + 3).

Correct Answer: D. โ€“โˆž < x < โˆž, excluding 1, 3
Explanation: No explanation available.
7

What will be the domain of the definition of the function f(x) = 8โ€“xC5โ€“x for positive values of x?

Correct Answer: D. {1, 2, 3, 4, 5, 6, 7, 8}
Explanation: No explanation available.
8

Find the domain of the definition of the function
y = 1 / (4 โ€“ xยฒ)ยนแŸยฒ.

Correct Answer: A. (โ€“2, 2)
Explanation: No explanation available.
9

The domain of definition of the function

\( y=\dfrac{1}{\log_{10}(1-x)}+(x+2)^{1/2} \)

Correct Answer: D. [โ€“2, 1) excluding 0
Explanation: No explanation available.
10

The domain of definition of

\( y=\left[\log_{10}\left(\dfrac{5x-x^2}{4}\right)\right]^{1/2} \) is

Correct Answer: A. [1, 4]
Explanation: No explanation available.
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