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Mathematics
Mathematics
Problem
Which of the following is the parent function whose graph is a horizontal line? a)
f
(
x
)
=
x
2
f(x)=x^{2}
f
(
x
)
=
x
2
b)
f
(
x
)
=
1
x
f(x)=\dfrac{1}{x}
f
(
x
)
=
x
1
c)
f
(
x
)
=
c
f(x)=c
f
(
x
)
=
c
, where
c
c
c
is a non-zero constant d)
f
(
x
)
=
x
f(x)=x
f
(
x
)
=
x
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