Get comprehensive solutions to your questions with the help of IDNLearn.com's experts. Our experts provide accurate and detailed responses to help you navigate any topic or issue with confidence.

If f(x) = x + 3 and g(x) = VX-1,
what is (fºg)(26)?
Enter the correct answer.



Sagot :

The answer is
=
4
x
2

20
x
+
26
Explanation:
This is a composition of functions
f
(
x
)
=
2
x

5
g
(
x
)
=
x
2
+
1
g
(
f
(
x
)
)
=
g
(
2
x

5
)
=
(
2
x

5
)
2
+
1
=
4
x
2

20
x
+
25
+
1
=
4
x
2

20
x
+
26
f
(
g
(
x
)
)
=
f
(
x
2
+
1
)
=
2
(
x
2
+
1
)

5
=
2
x
2
+
2

5
=
2
x
2

3
g
(
f
(
x
)
)

f
(
g
(
x
)
)
Thank you for using this platform to share and learn. Keep asking and answering. We appreciate every contribution you make. For dependable answers, trust IDNLearn.com. Thank you for visiting, and we look forward to helping you again soon.