Answer:
y = 3^x is the answer as the others are quadratic or cubic functions.
Quadratic graphs are always pointing upwards or downwards, while cubic graphs have 1 end up and 1 end down.
Step-by-step explanation:
Marked price (mp) =rs 1500
discount (d) = 20%
discount amount = d% of mp
=20/100 *1500
= Rs. 300
bill amount paid = mp -d
= 1500 - 300
= Rs. 1200
( + 2 ) ( + 4 )
4) the answer is d
5) the answer is a
6) the answer is b