The statements that are true according to the model are:
The average amount of time the shop needs to prepare the food for delivery is 5 minutes. Option B
On average, it takes the delivery person 2.5 minutes to travel one mile. Option C.
How equation of a line can be interpreted.
General equation of a line is given as
y = mx + b
Where
m is slope
This indicates how variable y change in relationship to variable x. If m is positive it indicates positive increase in y for every unit of x.
b is y-intercept
This is the initial value of y, that is when x = 0, y = b.
Let's compare with the given equation
y = 2.5x + 5
where
y represents time take to prepare food.
x represents distance between shop and delivery location.
The coefficient of x is the slope of the line graph
It represents the average time take to cover 1 mile.
=> For every one mile traveled, it takes 2.5 minutes.
So, on average, it takes the delivery person 2.5 minutes to travel one mile. Option C.
The constant value 5 represents the intial time required to prepare the food.
Even if distance to be covered, x = 0, the time t, prepare food is 5.
So, the average amount of time the shop needs to prepare the food for delivery is 5 minutes. Option B.