Finite Lab 1

# Finite Lab 1 - 471 363 44 12 786 38 583 2 3-= x x x x g...

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Math 120 Spring 2008 Brodnick Lab #1: 1.1 – 1.3 1. Which of the following two tables represents a function? Under each table, label it “function” or “not a function”. #1 Answers: _________________________ _________________________ 2. Given the following table, compute ) 12 ( ) 5 ( f f - #2 Answer: x -13 -7 -4 5 8 12 20 ) ( x f -4 5 0 -9 6 5 8 Use the following function to answer #3 & 4: 2 4 6 ) ( 2 + - - = x x x g 3. Compute ) 20 ( g . #3 Answer: 4. Find and simplify ) ( b a g + . #4 Answer: x 9 4 1 0 1 4 9 x -3 -2 -1 0 1 2 3 y -3 -2 -1 0 1 2 3 y 9 4 1 0 1 4 9

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5. Use the following graph of f to compute 0 2 ) 0 ( ) 2 ( - - f f . This is the slope of the secant line. #5 Answer 6. The number of surgeons specializing in weight-loss surgery in the United States is approximated by
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Unformatted text preview: 471 . 363 44 . 12 786 . 38 583 . ) ( 2 3 + + +-= x x x x g , where x is the number of years since 2000 . How many surgeons will specialize in weight-loss surgery in the year 2020? Round your answer to the nearest whole number. (2 points) #6 Answer: 7. The point (2, -3) is plotted in the xy plane. a. Find the equation of the vertical line containing the point (2, -3). (½ point) #7a Answer: b. Find the equation of the horizontal line containing the point (2, -3). (½ point) #7b Answer: 8. Find the slope of the line that goes through the points (-1, 1) and (3, 4). #8 Answer: 9. Find the equation of the line that goes through the points (-3, 4) and (2, 5). #9 Answer:...
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