f: R → R
f(x) = c for each x ∈ R
i.e. y = c for each x ∈ R
Here c is a constant.
Plotting graph
For all values of x, value of y will be c
x |
0 |
1 |
–2 |
y |
c |
c |
c |
Here,
Domain = All values of x = R
Range = All values of y
= c (Since y = c)
So, Range = {c}
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