The question is asking " What is the square root of 14?
3.74
But, if you need to round to the nearest tenth, your answer should come out to be 3.7
So for the first one... Let's just use x for months and m for minutes.
(20m)+(.15m)
20 times the number of months plus .15 times the number of minutes
Same for the next one
(35x)+ (.10m)
35 times the number of months +.10 times the minutes.
If your original equation was
, then a reflection over the x-axis means you need all the y-values to switch sign. This means you need to multiply that function by -1.
or 
You can cancel if the top and bottom are both multiplication and they have common factors.
Don't forget to vote brainliest and follow me!!!