Answer:
LED Lights
Step-by-step explanation:
Blue- Sad
Yellow- Happy
Red-Mad
Green-Disgusting
Purple - Scared
f⁻¹(7) = 1
Step 1: Write out function
f(x) = 3x + 4
Step 2: Find f⁻¹(x) (or known as inverse f(x))
y = 3x + 4
x = 3y + 4
-3y + x = 4
-3y = 4 - x
y = -4/3 + x/3
Step 3: Plug in 7 into inverse f(x)
f⁻¹(7) = 7/3 - 4/3
f⁻¹(7) = 3/3
4
f(-3) = 2 * (-3) + 10
Q has coordinates
P is 6units left
R is 7units up
Option B
