If f(x) = 7x - 1, what does f(12) represent? (1 point) O a
The value of x when (7x - 1) = 12
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The value of (7x - 1) when x = 12
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The value of 12 f(x) when x = 12
The value of f(x) when (7x - 1) = 12

The volume, v, of a rectangular prism is determined using the formula, where / is the length, w is the width, and his theheight of the prism. carltren solves for w and writes the equivalent equation w=using this formula, what is the width of a rectangular prism that has a volume of 138.24 cubic inches, a height of 9.6 inches,and a length of 3.2 inches?