The domain is the numbers you can use for x
so the domain is 4
the range is the possible y values we get from that domain
we get all real numbers because it goes up and down infinitey
domain is 4
range is all real numbers
Answer:

Step-by-step explanation:

$293.28 You multiply 282 by 0.04 which is 11.28. Then you add the 11.28 to 282.
Answer:
r = 1/5
Step-by-step explanation:
Substitute x=15 and y=3 into the equation given.
Transpose so that r = 3/15
Simply 3/15
r = 1/5
The ratio is 5:1:3 as there is 25:5:15 which is all divisible by 5 making the simplest ratio in that order