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Byju's Answer
Standard VIII
Mathematics
Finding Values of "x" corresponding to "y=a" for a function "y=f(x)"
A function ca...
Question
A function can be described by the rule
y
=
x
2
+
4
. Determine the corresponding output for input
x
=
2
.
8
Open in App
Solution
The correct option is
A
8
Given:
y
=
x
2
+
4
⟹
y
=
2
2
+
4
Replacing
x
w
i
t
h
2
⟹
y
=
4
+
4
⟹
y
=
8
∴
Output of the function is
y
=
8
when input
x
=
2
.
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0
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Q.
Determine whether the following relation in the table from set
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Standard VIII Mathematics
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