Top 30 Functions (and Relations) studied in Pre-Calculus and AP Calculus 𝑓(𝑥) = 𝐶 1 + 𝐴𝑒 −𝐵𝑥 Logistic (Relation) Circle 𝑓(𝑥) = 1 𝑥2 Reciprocal Squared (𝑥 − 𝑎)(𝑥 + 𝑏) 𝑓(𝑥) = (𝑥 + 𝑐)(𝑥 − 𝑑) (Relation) Ellipse Rational Transcendental (Trigonometric) Sine Transcendental (Trigonometric) Transcendental Cosine (Trigonometric) (Relation) Tangent Hyperbola arcsine Gaussian Curve #30 arccosine