Functions: Domain and range
Function and formula
Take a look at the formula:
\[y=2\cdot x+7\]
\[y=2\cdot x+7\]
In this formula, #x# is the .
In this formula, #2\cdot x+7# is the .
For argument #-1#, the image is .
In this formula, #2\cdot x+7# is the .
For argument #-1#, the image is .
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