Question

Explain how to evaluate f(2) to a student that is absent today.

Answer 1

f(x) is a function. For example f(x) = 2x + 1

If you were to say evaluate f(2), you would plug in the '2' to 'x'.

So in the example I gave, f(2) = 2(2) + 1

f(2) = 4 + 1

f(2) = 5