College Algebra / Unit 8 Alg 423 short lesson, about 20 seconds
Graphs of Exponential Functions
Captions available
The idea
The graph of f(x) = bˣ passes through (0, 1), has domain all reals and range (0, ∞), and hugs the horizontal asymptote y = 0 on its shrinking side.
In practice
2ˣ runs through (−1, 1/2), (0, 1), (1, 2); far left, 2⁻¹⁰ ≈ 0.001 — near the floor, never on it.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
Builds on
- Nothing. This is a starting point.
Unlocks
- Nothing yet depends on this.
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