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Algebra
Pregunta

A computer purchased for \( \$ 800 \) loses \( 18 ...

A computer purchased for \( \$ 800 \) loses \( 18 \% \) of its value every year. The computer's value can be modeled by the function \( v ( t ) = a \cdot b ^ { t } \) , where \( v \) is the dollar value and \( t \) the number of years since purchase. 

(A) In the exponential model \( a =  \) and \( b = \) 

(B) In how many years will the computer be worth half its original value? Round answer to \( 1 \) decimal place. The answer is _____years

Answer

(A) 800;  82%.

(B) 4.

Solución
View full explanation on CameraMath App.