Math 194 Fall 2007 Practice Exam 1

# Math 194 Fall 2007 Practice Exam 1 - Math 194 Practice for...

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Math 194 Practice for Exam I 1.) Define “function.” 2.) (a) You are going to graph p = f (w). Which variable goes on the vertical axis? (b) If 10 = f (-3) give the coordinates of a point on the graph of f . (c) If 5 is a solution to the equation f (w) = 1, give a point on the graph of f . 3.) If g (x) = 3 – x 2 , find the average rate of change of f between x = 0 and x = 1. 4.) Do any of the following tables represent a linear function from x to h (x)? Why or why not? (a) ___x 1 3 7 9 h (x) 10 20 40 50 (b) ___x 2 4 6 8 h (x) 10 12 14 18 5.) What is the slope of each equation below? (a) y = 3x + 10 (b) 2y = 9x – 11

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Are the following lines parallel, perpendicular, or neither? (a) y = 3x + 10 3y = -x - 20 (b) 2y = 4x – 10 3y = 4x + 3 7.) Find a formula for the line that is perpendicular to the line y = 3 – (2/3)x and which contains the point (6 , 5). 8.) Evaluate and simplify completely. If q (x) = x 2 – 3, find (a) q (5) (b) q (a) (c) q (a) – q (5) (d) q (a - 5) 9.) Find the domain and range of the following functions. (a)
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Math 194 Fall 2007 Practice Exam 1 - Math 194 Practice for...

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