4. EDUCATION Identify the function graphed as linear or nonlinear. Then estimate and interpret the
intercepts of the graph, any symmetry, where the
function is positive, negative, increasing, and
decreasing, the x-coordinate of any relative extrema,
and the end behavior of the graph.
U. S. Education Spending
1000
1
800
600
Spending (billions of 5)
400
200
10 20 30 40 50 60 70
Years Since 19:19