### Home > CALC > Chapter 1 > Lesson 1.4.1 > Problem 1-145

1-145.

Make the remaining rectangles. Then calculate the areas of each rectangle and add them together to find *A*(*f*, −2 ≤ *x* ≤ 4).

The width of all of the rectangles is 1.

1-145.

Make the remaining rectangles. Then calculate the areas of each rectangle and add them together to find *A*(*f*, −2 ≤ *x* ≤ 4).

The width of all of the rectangles is 1.