Logs and Exponentials – Exam Solutions

(The green linked lessons can be clicked on to see the lesson and are included in the Basic Membership!)

Composite Functions

Domain and Range

Finding Pronumerals


Inverse Functions

Points of Intersection

Simplifying Expressions

The video below has my solution to Question 5 from the 2013 VCAA Maths Methods Short Answer exam. This type of question relies on an understanding of the log and index laws and which ones to use when solving log & exponential equations. You also need good algebra skills to get the correct answer – 54% of students answered part a correctly and 64% answered part b correctly.

2013 Multi-Choice Q5

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Functions & Relations
Linear Relation
Families of Functions
Circular Functions
Logs & Exponentials
Differentiation Basics
Applications of Differentiation
Discrete Probability
Binomial Probability
Probability Density Functions
The Normal Distribution
Sampling Distributions

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