Your answer should be 12.57
Answer:
£b = £1.68
A = £44.68
Step-by-step explanation:
Given:
A = 5 + 1.9m + b
Where,
A = total cost
m = number of miles travelled
£b = charge for booking online
£5 = fixed charge
A. Harry
A = £29.48
m = 12 miles
£b = ?
A = 5 + 1.9m + b
29.48 = 5 + 1.9(12) + b
29.48 = 5 + 22.8 + b
29.48 = 27.8 + b
29.48 - 27.8 = b
b = 1.68
£b = £1.68
b) If Sue books online and travels 20 miles, what will be
A = 5 + 1.9m + b
= 5 + 1.9(20) + 1.68
= 5 + 38 + 1.68
= 44.68
A = £44.68
We have a domain of a function, that is, which x-es can we throw in. But we are asking which y-s will we get given that we can only throw x-es in 
.
Let's try 
even though we are forbidden to put 4 inside 
we are still able to do so.
So 
what we just got is the upper limit of the range. The lower limit is 
.
So the range is just 
.
Hope this helps :)
Answer:
$63.00 is the closet answer.
Step-by-step explanation:
12.70 x 5
12.7
× 5
------------------
13
63.5
Therefore, 12.7×5=63.5.
$63.5
