MHF4U Advanced Functions
MHF4U Advanced Functions
Question
Task
Curriculum expectation:
Solve exponential and simple logarithmic equations in one variable algebraically, including those in problems arising from real-world applications
a) Choose One of the following logarithmic/exponential scales. Research and fill out the chart below.
b) Then, create a product to showcase the information you have collected (video or audio clip, poster, mind map, worksheet or handout, slides presentation, etc.).
Here is an example of a product created for the topic of Apparent Magnitude of Astronomical Objects.
| Topic: | Decibel Level |
| What is this scale used for? | The decibel (dB) is a logarithmic unit which is used to measure sound level on the sound meter. For example it is widely used in electronics, signals and for communication. |
| What is an equation that can be used to model this scenario? Define appropriate variables and identify constant values. | |
| Provide a graph. |  |
| Graph the inverse relationship and provide the equation. | |
| Give a real life scenario of when this scale can be used. (Try to find a real example, but if you can’t find one, you can try making up a realistic example.) | This scale can be used when we are at a concert and the concert is really loud. To measure how loud it is, we can use the sound meter to measure the noise level in the concert. |
| Come up with two mathematical questions about this scale that can be answered using what you have learned about solving logarithmic and exponential equations in this course | Mathematical questions |
| Extra information about this scale: |
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