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## ihavemathquestions 2 years ago y = 2(4.5)^x

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1. ihavemathquestions

2. ihavemathquestions

3. ihavemathquestions

4. ihavemathquestions

5. ihavemathquestions

@nubeer

6. nubeer

ok .. are you allowed to use calculators?

7. ihavemathquestions

i dont have one on me :( i just need the answer. if i had a calculator i could do it but i dont so im freaking out :(

8. nubeer

ok.. y= 2(4.5)^x now put x=0 and find the value of y?

9. ihavemathquestions

9

10. nubeer

hmm no.. please do again y=2(4.5)^0

11. ihavemathquestions

2

12. nubeer

good.. now look on the all options.. and find on which graph at x=0 y is 2.... can you tell?

13. ihavemathquestions

the third?

14. nubeer

hmm well if you look carefully there are more then one option which have y=8 at x=0.. just see the graphs u have and match... look in first graph at x=0 y is 2 isnt it? and same on 3rd and 4th.. do u get?

15. ihavemathquestions

yeah its graph 1

16. nubeer

hmm yes and 3rd adn 4th too..

17. nubeer

now put x =1 y = 2(4.5)^1 y = 9 now look which graph line is passing through (0,2) and (1,9)

18. ihavemathquestions

D

19. nubeer

ahhh c'mon.. tell me honestly are u just guessing randomly? the points i told u dont match D.. if u want just answer i can tell u.

20. ihavemathquestions

It's C

21. nubeer

hmm no.. its option 1

22. ihavemathquestions

oh i knew that i said that earlier and u said no thats why i was guessing

23. nubeer

hmm but at that point i was asking u something different.. but never mind.

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