AM-1506

Exponential and logarithmic models

A Math · Secondary 4 · Medium · Exponential and logarithmic models

Milk in a cup cools according to the model

T(t)=70(0.8)^t+10

, where

T

is the temperature in °C and

t

is the time in minutes after it is poured.

Find the time taken for the milk to cool to

26^{\circ}\text{C}

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