Question 1090858
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Solve the equation for d
{{{V=-2.6+d/3}}}
{{{V+2.6=d/3}}}
{{{3(V+2.6)=d}}}
{{{d=3V+3(2.6)}}}
{{{d=3V+7.8}}}
This is a linear function with m = 3 being the slope.
The slope of 3 means that for every unit increase of V, the value of d will increment by 3.


Therefore the final answer is <font color=red size=4>3</font>


Note: the domain of the equation {{{d=3V+7.8}}} is {{{-2.6 <= V <= 2.4}}} because of two facts
Fact 1: Plugging d = 0 into the original equation {{{V=-2.6+d/3}}} leads to V = -2.6
Fact 2: Plugging d = 15 into the original equation {{{V=-2.6+d/3}}} leads to V = 2.4

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