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Huilan's age is two times thomas's age. the sum of their ages is 84. what is thomas's age?
1 answer:
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Check the picture below.
Answer:
Reflection through y=x
Inverses
Step-by-step explanation:
Let's look at the graphs.
I'm going to point out some interesting things about the graphs.
You will see that (a,b) is a point on f while (b,a) is a point on g.
I'm using that while
.
You should see on the graph that:
while
See that (1,5) is on f while (5,1) is on g.
Let's look at another point:
while
See that (0,1) is on f while (1,0) is on g.
This relationship that they have is that they are inverses.
In general, the inverse of is
and also vice versa.
Also visually, inverses when graphed will appear to be reflections through the y=x line.
