Find a. (f+g)(x) b. (f+g)(8) f(x) = 2x - 4. g(x) = 2x - 1 a. (f+g)(x) = 4x - 5 b. (f + g)(8) = ​

Lesson 9-3 for items 8-10, a square is drawn in the coordinate plane, with vertices as shown in the diagram. then the square is reflected across the x-axis. -2 4 8. the function that describes the reflection is (x, y) - a. (x, y-3). b. (x, y-6). c. (-x, y). d. (x,- y).