Answer:
18 ft
Step-by-step explanation:
The average rate of a function f(x) over an interval x = a and x = b is given by:

Given the function

The average rate of change from x = 1 to x = 2 is given by:
Answer:
To find the area of each parallelogram.
From the give figure we get that,
base=6 units (that is it covers 6 cubes)
Height= 2 units
Area of the parallelogram is,


Area of the given parallelogram. is 12 sq.units.
Answer:
-4(5x^2-2x)
-4 x 5x^2-4(-2x)
-20x^2+8x