Answer:
2
Step-by-step explanation:
F(3) means that we plug in 3 for the x value of the original equation, and F(4) means that we plug in 4 for the x value of the original equation
F(3) = -2(3) + 3
= -3
F(4) = -2(4) + 3
= -5
- 3 -(-5) = 2
Answer:

Step-by-step explanation:

Answer:
Step-by-step explanation:
5
Answer:
$18.96 ÷ 3 pounds = 6.32 per coffee