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In elementary algebra, functions aren't really first class objects you can manipulate. That is, if you have f(x) = 2x and g(x)=x^2 , you might ask questions lik
by gizmo686 7y ago
In elementary algebra, functions aren't really first class objects you can manipulate. That is, if you have f(x) = 2x and g(x)=x^2 , you might ask questions like "what do they evaluate to at A?", or "what is their minimum?", but you wouldn't ask questions like: "what is f + g". Calculus is the first time in the standard sequence when you start manipulating functions as first class objects.
- p1esk 7y agoBut we are talking about introducing a concept of a function. Which is a mapping between values of x to values of y. That's it. No need to manipulate anything.