Just plug stuff in
(0, 32)
(100, 212)
(-20, -4)
(10, 50)
|-11+8|=|-3|=3. Plug in f(-11)
Answer: x = 9
Step-by-step explanation:
The sum of three interior angles of a triangle is 180°.
(9x - 3) + (6x) + 48° = 180°
9x - 3 + 6x + 48 = 180
15x + 45 = 180
15x = 135
x = 9
