1. Replace f(x) with y: y = 3x - 15
2. Interchange x and y: x = 3y - 15
3. Solve this for y: 3y = x + 15, and y = (x + 15)/3
4. Replace y with
-1 -1
f (x): f (x) = (x + 15) / 3 (answer)
Answer:
25% decrease.
Step-by-step explanation:
3/4=75%
100%-75%=25% decrease.
Answer:
10
Step-by-step explanation:
5! divided by all the repeats so 3!2! = 10 ways
8.4 because 6 would round up to 10 and 10+30 =40 for 8.40 or just 8.4
