Well a connection to the real world that happen was a couple days ago was in my ACT prep class. The connection went over our first few weeks of math when we were doing more of
f(g(x)) or (f•g)(x)
One of the math problems was like
Find f(g(6))
f(x) = (6x+7)/(4x+8)
g(x) = 3x-7
f(g(x)) = ~1.4
All I had to do was type it correctly in my calculator and it spits out an answer. Since I knew what it was asking I didn't gave to wonder what it meant. Saved me precious time for ACT testing.
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