Answer
V=-175t+875
Work Step by Step
$m=\frac{y_2-y_1}{x_2-x_1}=\frac{875-0}{0-5}=-175$ (Slope at t=5 when value of oven is 0.)
V=mt+b=-175t+875 (Plug in the slope and the initial cost to write the linear equation.)
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