In Math 30-1 class students were given 2 more pieces of information relating to the following trigonometric function graph: a) The function is in the form f(x) = cos(b(x+)) b) The first negative x-intercept of the graph is located at (4,0) Determine the period of the function given. 10T 9 7T 6 4T 3 5T 2

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