Question

For the function y = -3+4 cos 5 (x+4)), what is the maximum value?5л6Answer here

Answer 1

We want to find the maximum value of

`y=-3+4cos((5\pi)/(6)(x+4))`

The graph of the function is show below

From the graph, the maximum value is the highest value of y, which is 1

Hence the answer is 1