6. Write the polynomial function of least degree & with integer coefficients if the zeros occur at 6 and i.
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1 MIDTERM REVIEW PACKET IM3H For questions 1-, perform the given operation. Leave your answers as factored as possible. 6x 5x 4 x 4x x 17x 8 1x 5x x x 4 x x For questions 3-5, find all the zeros (real & imaginary) of each function f ( x) x 3x 11x 6 4. f ( x) x x 5x 8x f ( x) x 7x x 7 6. Write the polynomial function of least degree & with integer coefficients if the zeros occur at 6 and -5 + i. 7. Find the value of each of the six trig functions of Midterm Review Packet page 1
2 8. Find the values of the missing trig functions given 8 15 sin and cos For questions 9-15, find the exact value of each expression tan sec sin cot sec sin tan cos tan150 csc 40 cos135 sin 300 For questions 16-19, graph one period of each function. Fully label your axes!! Use color for your final function! 16. f ( x) 3sec4( x ) f( x) 1 4sin 45 Midterm Review Packet page
3 18. f( x) tan f ( x) cot x 3 For questions 0-3, prove each identity sec x sec x tan x 1 sin x sec x cos x sec x 1 cos x sec x cos x Midterm Review Packet page 3
4 . tan x 1 cos x sec x tan x (1 tan x) tan x 1 tan x For questions 4-7, solve each equation in the indicated domain. 4. cot x cot x 0, Domain: (-, ) 5. 4csc 4csc 1 0, Domain: [0, 360 ) 6. 1 cos sin, Domain: [ 180,180 ) 7. tan10 tan50 3, Domain: (0,90 ) 1 tan10 tan 50 3 Midterm Review Packet page 4
5 For triangle questions 8-31, find the specified side or angle. Round your answers to decimal places. 8. In. 9. In. 30. In 31. In For questions 3-33, find the area of each triangle. Round your answers to decimal places. 3. c = 4 meters, a = 10 meters, T = m = 6 feet, d = 16 feet, and b = 18 feet. For #34-35, write the equation of the polynomial function graphed with lowest degree possible and leading coefficient of ) 35.) Midterm Review Packet page 5
6 For questions 36-40, find all the zeros of the polynomial function f ( x) x x 16x f ( x) x 3x x 6x f ( x) 16x f ( x) x 1x 1x f ( x) x x x x Write a rational function with the given characteristics. 41. There are no zeros, a hole exists at x = 3/, vertical asymptote is at x = 1, and horizontal asymptote is at y = There is a zero at 6, a hole exists at x = 3, no vertical asymptotes, and horizontal asymptote at y = x The zeros are at 1 and 3 and the vertical asymptote is at x = 0. Midterm Review Packet page 6
7 Graph the function and label the following information. Horizontal Asymptotes can include slant asymptotes. 44. x y 4x 5 x 1 Zeros: Vertical Asymptotes: Horizontal Asymptotes: Holes: Y-Intercept(s): Domain: range 45. y x 5x 6 x 9 Zeros: Vertical Asymptotes: Horizontal Asymptotes: Holes: Y-Intercept(s): Domain: range 46 y x 4 3x 15x 18 Zeros: Vertical Asymptotes: Horizontal Asymptotes: Holes: Y-Intercept(s): Domain: range 47. Find the volume of the solid formed when the rectangle shown is rotated about Midterm Review Packet page 7
8 a. x=-3 b. y=- 48. Find the volume of the solid formed when the triangle is rotated about a. x= -1. b. y = Find the volume of the solid formed when the trapezoid is rotated about a. y=4 b. x= Find the volume of a hollow sphere, where the outter diameter is 15cm and the length of the inner diameter is 7cm. Midterm Review Packet page 8
9 51. Find the volume of the frustum with, and. 5. Is a zero to the function ( )? 53. At 1:00pm (13:00) high tide was at 4 feet, at 8:00 pm (0:00) low tide was -1 feet. Find the period of the trigonometric function that would model the tides. 54. Simplify 55. Factor the following polynomial: 56. Expand the binomial: ( ) 57. Divide using long division or unboxing method: Midterm Review Packet page 9
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