AM-283

Exponential and logarithmic models

A Math · Secondary 3 · Medium · Exponential and logarithmic models

The temperature

T

^\circ\text{C}

of a drink

(t

minutes after it is poured) is modeled by

T=22+Be^{-0.4t}

, where

B

is a constant. Initially the drink is at

82^\circ\text{C}

. Find the value of

B

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