4. Which of the following functions has the greatest period? a) f(x) = 20sin(2x - T/2) b) f(x) =-sin(Tx) c) f(x) = 2sin(0.1x) d) f(x) = -sin(0.1Tx) 5. What is the range of the function f(x) = -4cos(2x - 3)? a) (0, 4) b) [0, 4] c) (-4, 4) d) [-4, 4] 6. What is the phase shift of the function f(x) = 7sin(2x - It /3)? a) = b) c) - alt d) - 7. What is the range of the function f(x) = -6cos(x - It/2) + 2? a) [-6, 6] b) [-4, 8] c) [0, 8] d) [-6, 0] 8. What is the amplitude of f(x) = 4sin(x)cos(x)? a) 4 b) 3 C 2 9. What is the period of f(x) = 0.5sin(x)cos(x)? a) 0.5 b 2Tt c) 2 d) CS Scanned with CamScanner