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1. What is the domain of the function f(x) = 1/(x +
1)?
2. What is the range of the function f(x) = logx?
3. Find the codomain for the function f(x) = 2x + 5.
For x = 5
4. What is the range of the function f(x) = 2x 5, for
the positive integral values of x?
5. Find the domain and range of the function f(x) =
Sinx.
6. What is range of the function f(x) = x
2
for the
domain values as real numbers?
7. The range of the function f(x) = x
n
is real number
value. What is the possible values of n?
(a) Even number (b) odd number
DOMAIN AND RANGE WORKSHEETS
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8. What of the following functions has a range of {-2.
……∞}?
(a) f(x) = 3x + 1 (b) f(x) = 3x 1 (c)
f(x) = x 2 (d) f(x) = x + 2
9. For a function f(x) = 3x + 5, find the range for x
values = {0, 1, 2, 3, 4, 5}.
10. What is the range of the function f(x) = |x|?
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1)
R [-1]
2)
R
+
3)
15
4)
[-5, )
5)
Domain = R
Range = [-1, 1]
6)
R
+
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7)
(a) Even number
8)
(c). f(x) = x - 2
9)
(5, 8, 11, 14, 17, 20)
10)
R
+