Exponential Tips #alevel #maths #exam #exams #mocktest #tips

Exponentials Tips:

1) y=e^{x} is the graph for an exponential, it passes through (0,1)
2) Compound interest is an application of exponentials, as years go on, you gain more money depending on the size of your interest rate.
3) Transformations are the same. If it happens to x, do the opposite. If it happens to y, do what is says.
For Example:
y=e^(2x-3). The 2 makes the graph steeper, all the x values halve. The -3 means to shift the graph to the RIGHT

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