Ian invested $2500 in an investment vehical that would guarantee to earn 4% intrest yearly. the function for this is A (t) = 2500 (1.04). now using tables on your calculator, determine, to the nearest whole year, the value of t that solves the equation A (t) = 5000. justify your answer with numerical evidence.

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8 July, 22:52

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Leslie Lara · Answer 1

A (t) = 2500 * (1.04) ^t

A (t) = 5000

5000 = 2500 * (1.04) ^t

(1.04) ^t = 5000 : 2500

(1.04) ^t = 2

t = 17.68 ≈ 18

The value of t is 18 years.