HW 01-preview - Version PREVIEW – HW 01 – hoffman...

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Unformatted text preview: Version PREVIEW – HW 01 – hoffman – (57225) 1 This print-out should have 9 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. FuncPcwise01a 001 10.0 points By removing absolute values, express f ( x ) = x 2 − 9 | x + 3 | as a piecewise-defined function. 1. f ( x ) = braceleftbigg x − 3 , x > 3 , 3 − x , x < 3 . 2. f ( x ) = braceleftbigg x − 3 , x > − 3 , 3 − x , x < − 3 . correct 3. f ( x ) = braceleftbigg − ( x + 3) , x > 3 , x + 3 , x < 3 . 4. f ( x ) = braceleftbigg x + 3 , x > − 3 , − ( x + 3) , x < − 3 . 5. f ( x ) = braceleftbigg x + 3 , x > 3 , − ( x + 3) , x < 3 . 6. f ( x ) = braceleftbigg 3 − x , x > − 3 , x − 3 , x < − 3 . Gate061 002 10.0 points If the graph of f is which of the following could be the graph of y = f ( x + 2) − 2 ? 1. 2. 3. correct 4. CalC1b13a 003 10.0 points For a child between the ages of 6 and 16, its height y (in inches) is approximately a linear function of age...
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HW 01-preview - Version PREVIEW – HW 01 – hoffman...

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