Answer:

Step-by-step explanation:
Given
Let x represent the number of tickets, and p the charges

A reduction of 50c gives an increment of 50 tickets.
This gives:
---- 

Required
Determine the demand function
First, calculate the slope:




So, the equation is:




Hence, the function is:

D cause that’s the answer
An estimate for the number of ducks would be 62.
There were 30 the first day.
The second day, 8 of those 30 were there as well, so we subtract that from the 40 ducks and get 32.
Add 30 and 32 to get our estimate.
Step-by-step explanation:
if a mat was 9800kr and the price was reduced by about 40% it would be 245 whereas another 60 would end up 980 itself so I'm not too sure as the cheapest alternative would be 40%
I think that the correct answer is C