The solution to the differential equation $$\frac { \mathrm { d } y } { \mathrm {~d} x } = | - 6 x | \quad \text { for all } x$$ is $y = f ( x ) + c$, where $c$ is a constant. Which one of the following is a correct expression for $f ( x )$ ?
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The solution to the differential equation
$$\frac { \mathrm { d } y } { \mathrm {~d} x } = | - 6 x | \quad \text { for all } x$$
is $y = f ( x ) + c$, where $c$ is a constant.
Which one of the following is a correct expression for $f ( x )$ ?