140ae1sp06

# 140ae1sp06 - MATH 140 A EXAMINATION I FORM A SPRING 2006 1...

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Unformatted text preview: MATH 140 A EXAMINATION I, FORM A SPRING 2006 1. Multiply and simplify ( t- 5) 2- 2( t + 1)( t- 1). a) 3 t 2- 10 t + 23 b)- t 2- 10 t + 27 c)- 10 t + 1 d)- 3 t 2 + 10 t- 23 e) t 2 + 10 t- 27 2. Find one of the factors of x 3- x 2- 2 x . a) x- 1 b) x + 3 c) x + 2 d) x- 2 e) x- 3 3. Solve x 2- 2 x- 7 = 0. a) 2 ± √ 7 b)- 7 ± √ 2 c) 1 ± 2 √ 2 d) 2 , 7 e)- 1 ± √ 2 4. Simplify 1 x + 3 + 1 x 2- 9 . a) 9 x 2- 9 b) x + 3 x- 3 c) 2 x 2- 9 d) x + 2 x 2- 9 e) x- 2 x 2- 9 5. Simplify sec θ- sin θ tan θ . a) cos θ b) sin θ c) csc θ d) tan θ e) sec θ 6. Solve sin θ = √ 3 2 for 0 ≤ θ ≤ 2 π . a) π 6 , 5 π 6 b) π 4 , 3 π 4 , 5 π 4 , 7 π 4 c) 4 π 3 , 5 π 3 d) π 2 , 3 π 2 e) π 3 , 2 π 3 7. Find lim x →- 1 3 + 2 x . a) ∞ b)-∞ c) 1 d) 1 4 e) 1 3 8. Find lim x → x 3- x 2 x 2 ( x + 7) . a) b)-∞ c)- 1 7 d) ∞ e) 1 7 9. Evaluate lim h → (3 + h ) 2- 3 2 h . a)- 1 9 b) 6 c) 1 9 d) ∞ e)-∞ 1 MATH 140 A EXAMINATION I, FORM A SPRING 2006 10. If 1 ≤ f ( x ) ≤...
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140ae1sp06 - MATH 140 A EXAMINATION I FORM A SPRING 2006 1...

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