30 points! the figure below (attached picture) represents a rectangular painting with a rectangular frame. the gray section in the figure below represents the painting, and the white section in the figure below represents the frame.

part a
write an expression in standard form that represents the area, in square feet, of the painting.

part b
write an expression in standard form that represents the area, in square feet, of the frame.

part c
write an expression in standard form that represents the perimeter, in feet, of the painting.

Part A : Area = Xft . X ft

Part B: A= 6ft . 4ft

Part C: P = xft +x ft + xft +x ft

Step-by-step explanation:

Hi, for part A and part B we have to apply the area formula (for a rectangle)

Area = L . W

Where:

L: Lenght

W: Width

Replacing with the values given:

Part A= Area of the painting (grey area)

A = Xft . X ft

Part B = Area of the frame (white section)

A= 6ft . 4ft

For part C we have to apply the perimeter formula:

Perimeter = 2 L + 2 W

Replacing with the values given:

P = 2xft +2xft

or

P = xft +x ft + xft +x ft (sum of all sides)

  b.   the average rate of change of f(x) is less than the average rate of change of g(x).

step-by-step explanation:

since the length of the interval is the same in each case, we only need to compare the change in y-value to see which is greater.

so the change in y-value for function f is (6 )) = 9.

the table tells us

so the change in y-value for function g is (31 -1) = 30.

the change in y-value of f(x) on the interval is less than the change in y-value of g(x) on the same interval, so the average rate of change of f(x) is less than the average rate of change of g(x).

the answer is 9.8975

explanation:

when you multiply the "39.59" with the 25% it reduces it and shows its final discounted price. hope this !

step-by-step explanation: