Interpreting graphs of functions 
 Complete the following sentences based on the graph of the function.
 This is the graph of a ____ function.
 The y-intercept of the graph is the function value y=
 The smallest positive x-intercept of the graph is located at x=
 The greatest value of y is y=
 For x between x = -π and x = -π/2, the function value y ___ 0