Both M(x) and N(x) are translations of f(x), the equations are:
N(x) = f(x + 4).
M(x) = f(x) + 4.
How to find the equations for the translations?
Remember that for a function f(x), a vertical translation of N units is written as:
g(x) = f(x) + N
- If N > 0, the translation is upwards.
- If N < 0, the translation is downwards.
And for a function f(x), a horizontal translation of N units is written as:
g(x) = f(x + N).
- If N > 0, the translation is to the left.
- If N < 0, the translation is to the right.
First, we can see that N is a translation of 4 units to the left, then:
N(x) = f(x + 4).
And M is a translation upwards of 4 units, then:
M(x) = f(x) + 4.
If you want to learn more about translations:
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