A few days ago
How do you find (f?h)(3) if f(x)={(3,5),(2,4),(1,7)} and h(x)={(3,2),(4,3),(1,6)}?
I’m also confused about what ? is supposed to do
Top 3 Answers
A few days ago
Favorite Answer
I am confused about the ? as well. Maybe it’s a typo.
If it’s a handout that your teacher gave you, then it’s probably a typo.
Maybe it’s supposed to be composition. Usually that is represented by a little o.
(foh)(3) = f(h(3)) = f(2) = 4.
Here’s where I got my numbers.
The 3 is given in the problem.
Next I looked at what 3 was paired with in h(x). It was paired with a 2.
Then I looked at what 2 was paired with in f(x). 2 was paired with 4.
I looked at the first number in the pair because that represents the input number. The second number is the output.
1
A few days ago
have no idea what (f?h) supposed to mean. looks like a typo to me.
0
A few days ago
you go ask your mom :]
haha
0
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