Answer:
f = 7
Step-by-step explanation:
7f = 49
Divide each side by 7
f = 7
Answer:
18%
Step-by-step explanation:
Percent change can be found using the following formula:

Original represents the initial cost where new represents the new cost. We multiply the answer by 100 to get the percentage:
= 18%
The in is -5 the out for 7 is -21 the out for -3 is 9the infor 15 is -5 the out for -10 is 30
<span>f(x)= -2x +1 for f(3)
f(3) = -2(3) + 1 = -5
answer
</span><span>A)-5</span>