179k views
4 votes
PLZ HELP ME and show your work

PLZ HELP ME and show your work-example-1
User Submonoid
by
4.5k points

1 Answer

4 votes

Answer:

4 = a

0 < b <1

Explanation:

y = a* b^x

We know that when x=0 y = 4

4 = a * b^0

4 = a * 1

4 = a

That means a = 4

y = 4 * b^x

We also know that it is decreasing which means b must be between 0 and 1

0 < b <1

User Mr McGoo
by
5.3k points