207 Fall 07 Test1 KEY

207 Fall 07 Test1 KEY - MthSc 207 Sections 6.1 6.5 Test 1...

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MthSc 207 Sections 6.1 – 6.5 Test 1 – Version A - key 2 The first part of this test consists of multiple choice questions. Each question has one correct answer. Using a #2 pencil, bubble in the letter of the response that best answers each question on your scantron. For your own record, circle your responses, and note that on this portion, only the scantron answers will be graded. This section will account for 49% of the test grade. 1. Which of the following is equal to 4 2 ( ) x t d e t dt dx + ? (4 pts) a. 4 x e x C + b. 4 x e x c. 4 t e t dt + d. 5 5 t t e C + 2. Which of the following statements is incorrect ? (3 pts) 1 x dx = 3 2 3 3 3 3 1 1 2 x dx x dx x dx = + . 4 4 5 5 2 2 3 3 4 4 dx x dx x - = 2 2 5 5 1 1 3 3 x dx x dx = 3. The rate of change of the mouse population in the subways of a certain city can be modeled by the function =207.87(1.04 ) x p'(x) mice per month at the end of the x th month of the year ( x = 1 at the end of January, x = 2 at the end of February, etc.). [Check: =216.1848 p'(1) ] Find the change in the number of mice in the subways from the end of March until the end of June. (4 pts) a. 497 mice b. 29 mice c. 744 mice d. 29 mice per month
MthSc 207 Sections 6.1 – 6.5 Test 1 – Version A - key 3 Consider the graph of f(x) and g(x) shown below.

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