Question

Which of the following is an equation of combined variation?
$a. \: y = \frac{8x}{x}$
$b. \: y = \frac{8}{x}$
$c. \: y = 8xz$
$d. \: y = {8x}^{2}$
show the solution, please

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Answer 1

Answer:

your answer in the picture ok