d0p3cheetah d0p3cheetah
  • 20-05-2021
  • Mathematics
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An exponential function f(x)=ab^x passes through points (0,5) and (3,1715). What are values of a and b?

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mintawanariahnajane1
mintawanariahnajane1 mintawanariahnajane1
  • 20-05-2021

Answer:

Step-by-step explanation:

f(x) = abx

 

Use the 2 given points to find a and b.

 

(0,3):

 

3 = ab0 ⇒ a = 3

 

(2,27):

 

27 = 3b2 ⇒ 9 = b2 ⇒ b= 3

 

f(x) = 3(3x)

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