Question 11 Which function represents the graph below? O y = cos (x - # ) - 2 O y = cos (x + = ) - 2 O y = sin (x - # ) - 2 O y = sin (x + # ) - 2Question 12 5 pts Which function has an amplitude that is twice the size of the function y = 3 sin (2 - 1) + 4? Oy = $sin(# +4) - 3 O y = $sin( 32 + 3) - 4 O y = 3 sin(# - 2) +4 O y = 6 sin(# - 4) + 3 Question 13 5 pts Verify the following identity. Must show all work for full credit. csc2 (z) cos? (x) = csc2 (2) - 1 Edit View Insert Format Tools Table 12pt * Paragraph " B I U A BY Ty :Question 14 5 pts A Ferris wheel is designed in such a wayr that the height {h}. in feet, of the seat above the ground at any:r time. t, is modeled by the function y : 3E] gm(%m + g). What is the nwdmum height a seat reaches? 0 120 {I} 140 {I} 30 C} 60 Question 15 5 pts Two sides of a triangle measure 15 centimeters and F' centimeters. The included angle between these sides is 40. What is the approximate measure of the third side of the triangle? C} 10.6 centimeters C} 16.6 centimeters C} 20.3 centimeters C} 13.3 centimeters Question 16 5 pts The depth at a dock is modeled by: D = 12 sin(# (t - 6)) + 8, where the depth is in feet and t is the time (24 hour format). What is the depth of the water at 11:00a.m.? O 20 ft. O 8 ft. O 14 ft. 0 5 ft. Question 17 5 pts Simplify cos2xtan2x O sin2x O csc2x O cos*x O cos(x)Question 18 5 pts Which expression is equivalent to (sin 0 + cos 0)2? O sin 0- + cos 02 O 2 sin A cos e O 1 + 2 sin & cos e 0 1 Question 19 5 pts Which function has a period four times the length of f(x) = -4(cos8x) + 2? Of(x) = -4(cos8x) + 8? Of(x) = -4(cos32x) + 5? Of(x) = -16(cos1/2x) + 2? Of(x) = -3(cos2x) + 2?Question 20 5 pts On a hot clay, a fan has a mark on the tip of one blade. The equation 1; =20oosix] + 25 represents the height of the mark, 3: centimeters, above the table 1: seconds after the fan is turned on. What is the height of the mark above the table when it is closest to the table? (I) 45cm 0 1cm (2} 5cm 0 10cm