Functions: Domain and range
Function and formula
Take a look at the formula:
\[y=-2\cdot x^2-4\cdot x+7\]
\[y=-2\cdot x^2-4\cdot x+7\]
In this formula, #x# is the .
In this formula, #-2\cdot x^2-4\cdot x+7# is the .
For argument #3#, the image is .
In this formula, #-2\cdot x^2-4\cdot x+7# is the .
For argument #3#, the image is .
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