11.) You pay 620 to rent a hotel room for 4 weeks. Total cost include an initial deposit plus a weekly fee of 125.
a)y=(rate per week)x+deposit
620=125x+deposit
620=125(4)+deposit
620=500+deposit
620-500=deposit
120=deposit
y=125x+120
b) y-intercept is the deposit, at 120
Answer:
The correct options are C and D.
The red line is moving up from left to right, which means it is increasing.
Given equation of the line ,
Simplify ,
Transpose terms to RHS ,
Divide both sides by 5 ,
Now we know the slope intercept form of the line as 
we have ,
As we know that the slope of all parallel lines are same . Henceforth ,
A. <u>False.</u> The range of 
is the set of values it can produce. In the table, produces values from 
to 
. However, the range of all real numbers is all rational numbers, basically from 
to 
, not just a few numbers in-between. So, the range of is not all real numbers.
B. <u>True.</u> Looking at the table, when 
, 
. This is another way of saying that 
, which is what B is saying.
C. <u>True.</u> The domain of is the set of values of 
that produce some output in . Looking at the table, all of the values listed on it are in the set 
, which is what C is saying.
D. <u>False.</u> Looking at the table, when 
, 
. This is another way of saying that 
, which is <em>not </em>what B is saying.
