1. Given (x) =1/2(x + 4)(x – 11), use your graphing calculator to graph this function and then answer the following questions.
a) Type of function:
b) x-intercept(s);
y-intercept:
c) Increasing:
Decreasing:
d) Positive:
Negative:
e) Maximum:
Minimum:
1) Domain:
g) Rate of change of this function on the interval x=7 to x=9:
h) Sketch a graph-label and scale both axes appropriately: