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## Homework Statement

A yam is pust in an oven maintained at a constant temp of 250degrees C. Suppose that after 30 min the temp of the yam is 150degrees C and is increasing at a rate of 3degrees C/min. If the temp of the yam t minutes after it is put in the oven is modeled by

T(t)=250-ae^(-bt), find a and b.

## Homework Equations

## The Attempt at a Solution

I have no idea how to even start. Please help