PracticeTEst2

PracticeTEst2 - both Interval Notation and set builder notation Graph Interval Notation Set Builder Notation 5(5 pts Write the domain of the

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Name: ___________________________ PRACTICE TEST 2 SHOW ALL WORK!!! 1. (10 pts.) Derek canoes for 3 hours with a 4-km/h current to reach a campsite. The return trip against the same current took 6 hours. Find how fast Derek can canoe in still water (without a current). Write your solution in a sentence! You must use algebra to solve this problem. If you don’t, you will get 0 points. 2. (10 pts.) Solve by graphing: = - = + 2 8 2 x y y x If you do not graph the lines, you will get 0 points. 1

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3. (10 pts.) Solve the following system of equations. Show all work!!! 1 3 6 4 12 2 4 3 18 4 2 6 - = + - - = + - - = - + z y x z y x z y x 2
4. (10 pts.) Find all values of x such that ) ( ) ( x g x f , where ) 5 4 ( 6 ) 3 2 ( 8 ) ( x x x f - + + - = and ) 6 4 ( 4 ) 7 1 ( 2 ) ( x x x g + - - = . Graph your solution and write the solution in

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Unformatted text preview: both Interval Notation and set builder notation. Graph: Interval Notation: Set Builder Notation: 5. (5 pts.) Write the domain of the following function in interval notation : 8 3 ) ( + = x x g 3 6. (30 pts.) Solve, graph and write the solution in interval notation: a. 2 3-< + a and 8 4 3 <-a Graph: Interval Notation: b. 13 5 2 < + x Graph: Interval Notation: 4 c. 3 10 4-+ x Graph: Interval Notation: 7. (25 pts.) Solve the following absolute value equations: a. Let 5 2 3 ) (-= x x f . Find all values of x such that 10 ) ( = x f 5 b. 8 10 + =-t t c. 2 10 2 = + x 6...
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This note was uploaded on 04/12/2011 for the course MTH 112 taught by Professor Williamson during the Spring '10 term at Grand Valley State University.

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PracticeTEst2 - both Interval Notation and set builder notation Graph Interval Notation Set Builder Notation 5(5 pts Write the domain of the

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