C. A function must have different elements in the Domain, but can have repeats in the range.
3 and 4 hope this helps :)
Y= 2(.3^x)
Explanation:
Graphing it
Answer:
That right one is 128cm square
A.
y = 20(1.15)^x.....parrots
y = 4x + 24.....snakes
B. after 10 yrs
y = 20(1.15^10)
y = 20(4.05)
y = 81 parrots
y = 4(10) + 24
y = 40 + 24
y = 64 snakes
C.
20(1.15)^x = 4x + 24
x = 6.63 years they will be the same