Using a table to evaluate composite functions Use the function values

Aufopferaq

Aufopferaq

Answered question

2021-11-17

Using a table to evaluate composite functions Use the function values in the table to evaluate the following composite functions.
a. (fg)(0) b. g(f(1))
c.f(g(g(1))),
x21012f(x)01342g(x)10234

Answer & Explanation

Twereen

Twereen

Beginner2021-11-18Added 13 answers

Step 1
a) fog(0)
from the givetable, we have g(0)=2,f(2)=0
=fog(0)=f(g)g(0)=2,f(2)=0
fog(0)=f(g(0))
fog(0)=f(2)(using,g(0)=2)
fog(0)=0(using,f(2)=0)
b)g(f(1))
from the givetable, f(1)=1,g(1)=3
g(f(1))=g(1)(substituting,f(1)=1)
g(f(1))=3(using,g(1)=3)
c)f(g(g(1)))
from the givetable, we have, g(1)=0,g(0)=2,f(2)=0
f(g(g(1)))=f(g(0))(using,g(1)=0)
f(g(g(1)))=f(2)(using,g(0)=2)
f(g(g(1)))=0(using,f(2)=0)
Step 2
Result: a) fog(0)=0
b)g(f(1))=3
c)f(g(g(1)))=0

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