If x (alpha) (45 + (frac{1}{2}y)), which of the following is true>?

If x (alpha) (45 + (frac{1}{2}y)), which of the following is true>?
  • A.
    x varies directly as y
  • B.
    x varies inversely as y
  • C.
    x is partly constant and partly varies as y
  • D.
    x vries jointly as 45 and directly as y
Correct Answer: Option C
Explanation
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