Answer:
3150
Step-by-step explanation:
Total price is 3500.
10% discount on 3500 will be:
(10/100)*3500=350
We get a discount of 350 so we will pay 3500-350 which is 3150.
Answer:
48
Step-by-step explanation:

Well 20% of 600$ is 120$ ...So... just add 600 and 120, which is 720$
1,4,5,7 is quadratic and 2,3,6,8 is not a quadratic function. Check this out mate!
F(k) = -1/2k + 6
You can get this by solving for J and then using f(k) in its place.