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Test 1 F10

# Test 1 F10 - Math 110 September 818 2010 Test 1 All...

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Math 110 Test 1 All Sections including SL Center September 8–18, 2010 Do not write on this exam. The graph of y = f ( x ) is given: 1 - 1 - 2 1 2 3 - 1 - 2 - 3 x y Choose the graph for each of the following functions. An answer may be used more than once. 1. y = f ( | x | ) 2. y = f ( - x ) 3. y = 2 f (2 x ) 4. y = | f ( x ) | 5. y = f ( x - 1) 6. y = f ( x ) - 1 7. y = 2 f ( x 2 ) 8. y = - f ( x ) 1 - 1 - 2 1 2 3 - 1 - 2 - 3 x y A. 1 - 1 - 2 1 2 3 - 1 - 2 - 3 x y B. 1 - 1 - 2 1 2 3 - 1 - 2 - 3 x y C. 1 - 1 - 2 1 2 3 - 1 - 2 - 3 x y D. 1 - 1 - 2 1 2 3 - 1 - 2 - 3 x y E. 1 - 1 - 2 1 2 3 - 1 - 2 - 3 x y F. 1 - 1 - 2 1 2 3 - 1 - 2 - 3 x y G. 1 - 1 - 2 1 2 3 - 1 - 2 - 3 x y H.

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For problems 9-12 choose the equation that yields the given graph. 1 2 3 0 1 2 3 - 1 x y 9. A. y = 2( x + 1) 2 B. y = ( x + 1) 2 C. y = ( x + 1) 2 + 1 D. y = ( x - 1) 2 E. y = ( x - 1) 2 + 1 1 2 - 1 1 2 3 - 1 - 2 x y 10. A. y = 3 - x B. y = x + 3 C. y = x - 3 D. y = 1 2 x + 3 E. y = 3 + - x 1 2 - 1 1 2 - 1 - 2 - 3 x y 11. A. y = - | x + 1 | + 3 B. y = - | x - 1 | + 3 C. y = - | x + 1 | + 2 D. y = - | x - 1 | + 2 E. y = | x - 2 | + 1 1 2 - 1 - 2 - 3 - 4 1 - 1 x y 12. A. y = 2 x - 1 B. y = 1 - 2 x C. y = - 2 x - 1 D. y = - 3 x - 1 E. y = - 1 2 x - 1
Answer the following questions for the quadratic function f ( x ) = 3 x 2 - 12 x + 16 whose graph is a parabola. 13. The graph of the function opens: A. Up B. Down 14. What is the vertex of the parabola? 15. What is the equation of the axis of symmetry for the function?

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