Question

Please asnwer corrrectly and if you could explain or not

Answer 1

y = 4·0.5^x

Explanation:

If x is increased by 1, y is multiplied by 0.5.

x | y

0 | 4

1 | 4·0.5

2 | 4·0.5·0.5

3 | 4·0.5·0.5·0.5