Math194 Spring 2007 Exam 1

Math194 Spring 2007 Exam 1 - Name: _ Math 194, Spring 2007...

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Name: ______________________________ Math 194, Spring 2007 Exam I February 13, 2007 1.) (a) Could the values in the following table indicate a function? WHY or WHY NOT? __________________________________ __x 2 3 4 5 2__ __f(x) 4 5 6 7 8__ (b) Give the definition of a function. 2.) Find the average rate of the function f(x) = 3x 2 + 10 between x = 2 and x = 3. 3.) Tuition cost T (in dollars) for part-time students at Stonewall College is given by T = 300 + 200C, where C represents the number of credits taken. (a) Find the tuition cost for 8 credits. (b) How many credits were taken if the tuition was $1700? (c) Explain in real life terms what the 300 represents in the formula for T. (d) Explain in real life terms what the 200 represents in the formula for T.
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4.) (a) Rewrite the following equation in slope-intercept form: 3x + 2y + 9 = y – x. (b) Find the formula for the linear function g(x) if you know that g(10) = -19 and g(-1) = 25. 5.) (a) What is the slope of any line that is perpendicular to the line y = -3x + 10 ?
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Math194 Spring 2007 Exam 1 - Name: _ Math 194, Spring 2007...

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