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Byju's Answer
Standard IX
Mathematics
Value of a polynomial
If f(x) = 2x ...
Question
If f(x) = 2x + 1, what is f(-5)?
A
9
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B
-11
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C
-9
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D
11
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Similar questions
Q.
If f(x) =2x - 1 , what is f(-5)
Q.
If
f
(
x
)
=
−
2
x
+
5
, what is
f
(
−
3
x
)
equal to?
Q.
If
f
(
x
)
=
2
x
+
5
x
2
+
x
+
5
, then
f
[
f
(
−
1
)
]
is equal to
Q.
If f(x) = 2x + 1, what is f(-5)?
Q.
f
:
R
→
R
is a function defined by
f
(
x
)
=
2
x
+
1
2
x
+
1
2
then
f
(
−
2
5
)
=
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