Answer:
(x,y) (-3,4)
Step-by-step explanation:
Ok so
8000=cost
profit-8000
then
another cost is 15rand per mug
but profit of 35 rand
35-15=20
profit of 20rand per mug
profit=R20m-8000
where m=number of mugs sold
(R20 means 20 rand)
f(m)=R20m-8000
The answer would be log(x)