What is the value of the dependent variable if the value of the independent variable is -4?

The independent variable would be x, as it depends on nothing to determine its value. The dependent variable is f(x), as it depends on x to determine its value. This means we plug -4 into x and solve the equation to find f(x).
f(x) = -5(-4) + -4/-2
f(x) = 20 + 2
f(x) = 22

So the answer is C.

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It would have infinite solutions.