Define function with an example.
Define even and odd functions.
Find the domain and range of $\sqrt{x^2-4}$.
Define continuous function.
Explain why the function $f(x)=\frac{2x}{x-2}$ is discontinuous at $x=2$.
Prove that the derivative of a constant is zero.
Find the derivative of $x^{100}$ by definition.
What do you mean by power series.
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