
Build, combine, and simplify exponential and logarithmic functions.
Growing
Doubling
Tripling
Powers of 10
Level Review
Bases
Initial Values
Finding the Base and Coefficient
Deducing Exponential Functions
Level Review
Decay
Fractional Bases
Building Decay Functions
Negative Exponents
Level Review
Linear Comparisons
Quadratic Comparisons
Comparing Growth
Comparing Decay
Level Review
Building Exponentials
Finding Initial Values
Fractional Bases
Building Decay Functions
Comparing Decimal Bases
Level Review
Percent Increase
Modeling Compound Interest
Modeling Depreciation
Interest Comparisons
Level Review
Stepping Along Exponentials
Skipping Along Exponentials
Exponentials Over Negatives
Reflection Over Vertical Axis
Building Exponentials
Exponentials at Half-Steps
Exponentials Between Integers
Signed Stepping
Building Exponentials
Counting Days
Log-Exponent Pairs
Inverse of Base 2
Inverse of Exponentiation
Negative Exponents
Fractional Exponents
Evaluating Logarithms
Level Review
Estimating Logs
Graphing Log Functions
Domain of the Logarithm
Fractional Bases
Graphing Fractional Bases
Level Review
The Product Rule
Proving the Product Rule
The Quotient Rule
The Power Rule
Proving the Power Rule
Transforming with Identities
Level Review
Bases 2, 4 and 8
Bases 2 and 10
Converting Bases
Converting Bases Graphically
Level Review
Taking Logs of Both Sides
The Unknown Inside a Log
Logs on Both Sides
Solutions and Domains
Using Log Identities
Graphing Solutions
Checking Solutions
Level Review
This interactive course unveils the mathematics behind some of nature's most compelling patterns—from viral spread and population growth to radioactive decay and cooling coffee. You'll begin by exploring exponential functions through interactive visualizations that bring abstract concepts to life. You'll also manipulate graphs to watch how small differences in growth rates create dramatic effects, discovering why these functions model everything from compound interest to bacterial colonies. The course then introduces logarithms, revealing how this inverse relationship unlocks solutions to previously unsolvable problems. Through guided exploration, you'll grasp why logarithms answer questions like "how long until my investment doubles?" or "when will this substance decay to safe levels?" In the second half, the focus shifts from computation to understanding the "why" behind the algebraic rules. Rather than memorizing formulas, you'll investigate the logical foundation of exponential and logarithmic properties. You'll discover why multiplying inputs leads to adding outputs, why certain transformation rules hold true, and how these patterns connect to real-world scenarios. Each property emerges naturally from hands-on investigation and reasoning. By the end, you'll recognize exponential and logarithmic relationships in everyday contexts and possess the mathematical toolkit to analyze them rigorously.