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Algebra
Pregunta

A computer purchased for $$\ 950$$ loses $$20 \%$$ 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) Give the function that models the decrease in value of the computer: $$v ( t ) =$$ $$\square$$

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

A) $$950(0.8)^t$$