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Math 1330 Test 2 Review Example 1: Calculate the difference quotient: 2 Example 2: Given f ( x) 0 x2 f ( x) x 2 4 x 1 8 x 1 x 1 , Find f (2) f (2) 1 x Example 3: Suppose f ( x) 2 x 2 x and g ( x) x 1 . Find f g (x) . Example 4: Suppose f ( x) x 1 and g ( x) 2 x 1 . Find f g (x) . 3x 4 Math 1330 Test 2 Review Example 5: Write the function f ( x) 3x 2 6 x 5 in the form f ( x) a ( x h) 2 k . Identify the vertex and maximum/minimum value. Example 6: Be able to functions from their graphs: a. b. y x Math 1330 Test 2 Review Example 7: Suppose f ( x) 2x 1 . Find f 1 ( x) x3 Example 8: Find the linear function f with a y intercept of 6 and f 1 (1) 2 Example 9: Assume the domain of f and f 1 is , and f (2) 1 . Solve for x: f 1 ( x 4) 2 . Example 10: Find any hole(s), vertical asymptote(s), horizontal asymptote and does the function cross the horizontal asymptote in the following function: 2x2 4x f ( x) 2 x 4 Math 1330 Test 2 Review Example 11: Simplify : log 2 2 log 2 3 2 2 Example 12: Graph f ( x) 3 x 2 9 . Find the domain, range, x-intercept and y-intercept and asymptote. Example 13: Graph f ( x) log 2 ( x 2) 2 . Find the domain, range, x-intercept and y-intercept and asymptote. Example 14: Solve for x: log 4 ( x 1) 4 Math 1330 Test 2 Review Example 15: Solve for x: log 7 ( x) log 7 ( x 2) log 7 (8) Example 16: Solve for x: log 2 ( x 5) 4 log 2 ( x 1) Example 17: Let θ be an acute angle of a right triangle and that trigonometric functions of θ. . Find all the rest of the Math 1330 Test 2 Review Example 18: Let θ be an acute angle of a right triangle and that . Find all the rest of the trigonometric functions of θ. Example 19: A sector of a circle has central angle θ = 2π/3 and area 16π/3 ft2. a. Find the radius of the circle. b. Find the length of the sector for the problem above. Example 20: Find the area of the sector with a central angle of θ = 240° and a r = 6 cm Math 1330 Test 2 Review Example 21: A car has wheels with a 10 cm radius. If each wheel’s rate of turn is 3 revolutions per second a. What is the angular speed? b. How fast is the car moving in units of cm/sec, (linear speed)? Example 22: Find three angles, two positive and one negative, which are coterminal with the given angle: Example 23: Evaluate the following. 4 sin 3 5 tan 6 2 cot 3 5 cos 4 5 sec 6 csc 3 Example 24: Simplify 14 sin 3 a. 4 3 Math 1330 Test 2 Review 16 tan 3 b. 34 17 4 cos cot 6 4 c. Example 25: Simplify: Math 1330 Test 2 Review Example 26: Simplify a. b. Math 1330 Test 2 Review Example 27: Fill in the unit circle