And what else is in the problem I do not get what the problem is
Reflecting a function across the x-axis means to change the sign of the function itself: you're mapping 
So, if you have a x/y values table, you simply have to change sign to all the values in the y column.
Answer: x=1 or x=-3
Step-by-step explanation:
Quadratic formula is 
a=1 b=2 c=-3
Substitute

Answer:
The answer is the third selection
Step-by-step explanation:
Answer:
10.28571428...days
Step-by-step explanation:
1 feet=12 inches
12 feet=12*12=144 inches
144/14=10.28571428...