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Tham khảo tài liệu 'sat - mc grawhill part 67', ngoại ngữ, ngữ pháp tiếng anh phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 650 McGRAW-HILL S SAT 3 3 3 3 3 3 SECTION 3 Time 25 minutes 20 questions Turn to Section 3 of your answer sheet to answer the questions in this section. Directions For this section solve each problem and decide which is the best of the choices given. Fill in the corresponding circle on the answer sheet. You may use any available space for scratchwork. 1. The use of a calculator is permitted. 2. All numbers used are real numbers. 3. Figures that accompany problems in this test are intended to provide information useful in solv- ing the problems. They are drawn as accurately as possible EXCEPT when it is stated in a spe-z cific problem that the figure is not drawn to scale. All figures lie in a plane unless otherwise indicated. 4. Unless otherwise specified the domain of any function f is assumed to be the set of all real num- bers x for which f x is a real number. The number of degrees of arc in a circle is 360. The sum of the measures in degrees of the angles of a triangle is 180. 1. If n is 3 times an even number then which of the following could be n A 14 B 15 C 16 D 17 E 18 3. In the figure above what is the value of x 2. A machine can produce 50 computer chips in 2 hours. At this rate how many computer chips can the machine produce in 7 hours A 175 B 200 C 225 D 250 E 275 A 40 B 45 C 60 D 75 E 90 GO ON TO THE NEXT PAGE CHAPTER 16 PRACTICE TEST 2 651 3 3 3 3 3 3 4. Any positive integer that is divisible by 6 and 15 must also be divisible by A 12 B 21 C 30 D 72 E 90 5. If n percent of 20 is 4 what is n A 155 B 2 C 5 D 20 E 500 6. If f x 3x n where n is a constant and f 2 0 then f 0 A -6 B -2 C 0 D 2 E 6 7. A square has the same area as a right triangle with sides of lengths 6 8 and 10. What is the length of one side of the square A 4 B 3 C V15 D W6 E 12 9. If x is a negative number and 2 x 1 5 then which of the following must be true A x -3 B x -2.5 C x -2 D x -2 E x -5 10. If x -2 then -x2 - 8x - 5 A 3 B 7 C 15 D 23 E 25 11. 5 2 If - then what is the smallest .