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161E1-F2008

# 161E1-F2008 - MA 16100 1 The graph of y = f(x is shown...

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MA 16100 Fall 2008 1. The graph of y = f ( x ) is shown below. x y 1 2 1 Which is the graph for y = 1 + f ( x + 1). x y -1 1 1 x y -1 1 1 2 x y -1 1 2 1 2 x y -1 1 2 1 2 x y -1 1 2 1 2 2. Given that tan x = - 3 4 and 3 π 2 < x < 2 π , find cos x . 7 4 1

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3. The radius of the circle given by x 2 + y 2 - 5 x + 2 y = - 1 4 is 4. An equation of the line through (2 , 1) and perpendicular to 3 x + 5 y - 1 = 0 is 2
5. If f ( x ) = x 2 + 2 and g ( x ) = x - 1, then ( f g )( x ) = 6. If f ( x ) = x x 2 - 1 , find the domain of f . 3

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7. Which of the following statements are true for all values of x . I. 3 x 3 y = 3 x - y II. (2 + 5) x = 2 x + 5 x III. 10 x = 2 x · 5 x 8. Which of the following statements are true for all real values of x ? I. 3 x > 2 x II. 3 x > 1 III. 3 x > 0 4
9. The inverse of the function

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161E1-F2008 - MA 16100 1 The graph of y = f(x is shown...

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