First you take 7143-6997 to get her units used( it’s 146) since you know that the first 100 units cost 24p per unit so take 100 Times 24 p to get 2400p then take the remaining 46 units times 16 to get 384p.
Add 2400p+384p to get 2784p for her bill

5 0

3 years ago

Find the inverse of the function: { (3,5), (1, 6), ( -1, 7), (-3, 8)}

marysya [2.9K]

Answer:

{(5,3) , (6,1), (7,-1), (8,-3)}

Step-by-step explanation:

inverse of (x,y) is (y,x)

inverse of { (3,5), (1, 6), ( -1, 7), (-3, 8)} is

{(5,3) , (6,1), (7,-1), (8,-3)}

4 0

3 years ago

Would love help with this

Mars2501 [29]

It is always a rational number

-Hope This Helps-

6 0

3 years ago