### Home > CALC > Chapter 1 > Lesson 1.1.1 > Problem 1-4

1-4.

Notice the familiar geometric shape.

Find the area of the negative region and combine

it with the positive area found in part (a).

*A* (*f*, 0 ≤ *x* ≤ 5) + *A* (*f*, 5 ≤ *x* ≤7)

*A* (*f*, 0 ≤ *x* ≤ 5) + *A* (*f*, 5 ≤ *x* ≤ *k*)