Word File Edit View Insert Format Font Tools Table Window Help $ 100% Thu 1:40 PM CARLOS QE ... i z2W8X_PRECALC_TrigFunctionsUnitTest.doc [Compatibility Mode] 100% Q Search in Document A Home Layout Document Elements Tables Table Layout Charts SmartArt Review v # v PRECALCULUS | GRAPHS OF TRIG FUNCTIONS | TRIG FUNCTIONS UNIT TEST PRECALCULUS | GRAPHS OF TRIG FUNCTIONS | TRIG FUNCTIONS UNIT TEST STUDENT NAME 3. Identify the amplitude and period of each function, then graph the 1. Consider the function y = cos x for 80 s x s 100. function. a) y = - cos (60) a) Identify the x-intercepts of the function on this interval (where will the function cross the x-axis between 80 and 100). b) y = 3 sin (0/4) b) Identify the maximum value of the function on this interval. 4. Write the equations of the sine function with an amplitude of 16 and period of 30. c) Identify the minimum value of the function on this interval. 5. Write the equations of the cosine function with an amplitude of 2/4 and a period of 20/3. d) Sketch the graph of the function on the interval. 6. Find the angular displacement of 2.9 revolutions. 2. Determine whether the graph is y = sinx, y = cosx or neither. Justify 7. Write the equation of the cosine function with amplitude of 2/3, period your reasoning. of 30, phase shift of -20 and vertical shift of 3 units down. 677 X Print Layout View z2WBX_PRECALC_TrigFunctionsUnitTest.doc: 1,462 characters. (an approximate value) 100% 7 OWP Store O nd password, enter them here have an Apple IDWord File Edit View Insert Format Font Tools Table Window Help $ 100% Thu 1:40 PM CARLOS QE ... a z2W8X_PRECALC_TrigFunctionsUnitTest.doc [Compatibility Mode] 100% Q Search in Document A Home Layout Document Elements Tables Table Layout Charts SmartArt Review v # 7 1 1423415 16 .# PRECALCULUS | GRAPHS OF TRIG FUNCTIONS | TRIG FUNCTIONS UNIT TEST Identify the amplitude, period, phase shift and vertical shift of each of the following graphs. If there is no phase shift or vertical shift, write "none" FUNCTION AMPLITUDE PERIOD PHASE VERTICAL SHIFT SHIFT 8. A(x) = 4 sin (2x - 0) - 3 9. g(x) = 1/4 cos (x + 0/2) + 1 10. A(x) = - cos (4x + 20) 11. h(x) = 1/2 sin ( 1/2x - 0/4) + 3 12. g(x) = -3 cos x + 2 13. The average temperature, in "F, for Atlanta, GA is modeled by the sinusoidal function f(t) = 18.25 sin (*(t- 2.09) + 61.16, where t is the time in months and January is t = 1. a) What is the average temperature for the month of February? b) What is the average temperature for the month of June? Print Layout View z2WBX_PRECALC_TrigFunctionsUnitTest.doc: 1,462 characters. (an approximate value) 100% O 7 HADOWP Store O nd password, enter them here have an Apple ID