1midterm-practice

1midterm-practice - MATH 1715 I-MIDTERM Exam (Practice)...

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Unformatted text preview: MATH 1715 I-MIDTERM Exam (Practice) NAME: SECTION: All questions are worth five points. The maximum possible total is 50. You have 50 minutes for this exam. Calculators, cell phones etc. are not allowed! Question 1. Write down the factorization for A3 − B 3 . Now factorize the expression x3 − 8. Question 2. Perform the subtraction and simplify the expression: x 1 − . 2−9 x x−3 2 Question 3. Solve the equation x2 − 4x + 6 = 0. Question 4. Which of the two points (4, 1) and (3, 2) is closer to the origin? 3 Question 5. Find the equation of the line passing though the origin and the point (3, 1). Question 6. Find the domain of the function f (x) = √ x2 − 9. Find the value f (5). 4 Question 7. Find the average rate of change of the function f (x) = 1/x2 between the x = 1 and x = 4. Question 8. Sketch the graph of y = 3(x − 1)2 − 5. 5 Question 9. Find the minimum value of the quadratic function f (x) = 4x2 − 16x + 19. Question 10. Given f (x) = x − 1 and g (x) = 4/x. Find the functions f ◦ g and g ◦ f and their domains. ...
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1midterm-practice - MATH 1715 I-MIDTERM Exam (Practice)...

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