Precalculus With Limits: A Graphing Approach 【LEGIT ✦】

Always check for "illegal" math (denominators of zero or negatives in square roots).

If a graph looks weird, plot 3-5 specific points to anchor it. Precalculus with Limits: A Graphing Approach

Compare the degrees of the numerator and denominator. 4. Trigonometry via the Unit Circle Coordinates: Remember Always check for "illegal" math (denominators of zero

Use a graphing calculator to verify your hand-drawn sketches, not replace them. not replace them.