Option 1 options- cos(x/5) 9cos(x) cos(3x) cos(x+2) Option 2 options 1/3cos(x) cos(x+4) cos(-5x) -5cos(x)

Option 3 options 2/7(cos)(x) -3cos(x) cos(7x) cos(x/3)

Option 4 options cos(x-2) 2/3cos(x) cos(4x) 2(cos)(x)

The input to the function is x and the output is y. write the function such that x can be a vector (use element-by-element operations). a) use the function to calculate y(-1.5) and y(5). b) use the function to make a plot of the function y(x) for -2 ≤ x ≤ 6.