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What model describes the relationship between the amount of money in an account and time, given that the money triples every month?

a. linear
b. quadratic
c. cubic
d.exponential

Respuesta :

baileylynn391
It is exponential. The money triples therefore the money grows exponentially. :)
Edufirst
Firs month         A

Second month  3A

Third month      3*3A = A (3^2)

Fourth month    A(3^3)

Fith month        A (3^4)

nth month        A (3 ^ (n-1) )

That is an exponential model, because the variable (time, n) is the exponent of the formula. 

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