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- Logarithmic Functions

Still Confused?

Try reviewing these fundamentals first

Still Confused?

Try reviewing these fundamentals first

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Get Started NowStart now and get better maths marks!

Get Started NowStart now and get better maths marks!

Get Started Now- Lesson: 1a1:52
- Lesson: 1b1:57
- Lesson: 217:21

Related Concepts: Logarithmic scale: Richter scale (earthquake), Logarithmic scale: pH scale, Logarithmic scale: dB scale

- 1.Solve for $x$ , by converting from exponential form

to log form:a)$y = 5 \cdot {2^x}$b)$6 \cdot {3^x} = 90$ - 2.Let's revisit the earlier example about Bianca saving up money to buy her dream car, Mini Cooper.

Now we are ready to find out the exact amount of time it'll take Bianca to save up $30,000:

On Bianca's 5-year-old birthday, Bianca gets a birthday gift of $100 cash from her dad.

Bianca's dad promises to double her money yearly if Bianca plans to not spend the

money but instead deposits it into "daddy-super-saving-account". Will Bianca be able

to afford her dream car, Mini Cooper, worth $30,000 when she turns 16-year-old?

10.

Logarithmic Functions

10.1

What is a logarithm?

10.2

Converting from logarithmic form to exponential form

10.3

Evaluating logarithms without a calculator

10.4

Common logarithms

10.5

Natural log: ln

10.6

Evaluating logarithms using change-of-base formula

10.7

Converting from exponential form to logarithmic form

10.8

Solving exponential equations with logarithms

10.9

Product rule of logarithms

10.10

Quotient rule of logarithms

10.11

Combining product rule and quotient rule in logarithms

10.12

Evaluating logarithms using logarithm rules

10.13

Solving logarithmic equations

10.14

Graphing logarithmic functions

10.15

Finding a logarithmic function given its graph

We have over 1380 practice questions in NZ Year 11 Maths for you to master.

Get Started Now10.1

What is a logarithm?

10.2

Converting from logarithmic form to exponential form

10.3

Evaluating logarithms without a calculator

10.4

Common logarithms

10.5

Natural log: ln

10.6

Evaluating logarithms using change-of-base formula

10.7

Converting from exponential form to logarithmic form

10.8

Solving exponential equations with logarithms

10.9

Product rule of logarithms