midterm_sample

midterm_sample - Math 115 Sample Midterm Exam The midterm...

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Unformatted text preview: Math 115 Sample Midterm Exam The midterm exam will consist of 25 Multiple-Choice problems. The practice problems below are intended to be representative of what might appear on the exam. Multiple-Choice Problems 1. The domain of function f ( x ) = x + 3 2 x 2- x- 3 is (A) (-∞ , + ∞ ) (B) (-∞ , 3 2 ) ∪ ( 3 2 , + ∞ ) (C) (-∞ ,- 1) ∪ (- 1 , + ∞ ) (D) (-∞ ,- 1) ∪ (- 1 , 3 2 ) ∪ ( 3 2 , + ∞ ) (E) None of the above 2. The domain of function f ( x ) = 2 x √ x 2- 4 is (A) (2 , + ∞ ) (B) (-∞ ,- 2) (C) (-∞ ,- 2] ∪ [2 , + ∞ ) (D) (-∞ ,- 2) ∪ (2 , + ∞ ) (E) None of the above 3. Let f ( x ) = 1 x 2 and g ( x ) = 3 x + 5. Then, ( g ◦ f )( x ) is (A) 1 (3 x + 5) 2 (B) 3 x 2 + 5 (C) 1 x 2 (D) 3 x + 5 (E) None of the above 4. Find lim x → 3 x 2- 9 x- 3 . (A) 1 (B) does not exist (C) 6 (D) 5 (E) None of the above 5. Find lim x → √ 1 + x- 1 x . (A) 1 2 (B) limit does not exist (C) 0 (D)- 1 (E) None of the above 6. Find lim x →∞ 3 x 2 + 2 x + 4 2 x 2- 3 x + 1 . (A) 4 (B) 3 2 (C) limit does not exist (D) 0 (E) None of the above 1 7. Find lim x →-∞ x 2 + 3 x + 1 . (A) 1 (B) 0 (C) 2 (D) 3 (E) None of the above 8. Let f ( x ) = √ 3 x + 7 for x <...
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This note was uploaded on 05/13/2008 for the course MATH 115 taught by Professor Bayer,margaret during the Spring '08 term at Kansas.

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midterm_sample - Math 115 Sample Midterm Exam The midterm...

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