Question

Please help urgent !!

Answer 1

b.
`{x}^(4) \:varies \: directly \: as \: y`

Explanation:

`\frac{ {x}^(4) }{y} = 7 \\ \\ \implies {x}^(4) = 7y \\ \\ \implies {x}^(4) \: \alpha \: y \\ {x}^(4) \:varies \: directly \: as \: y`

Answer 2

A or D. not sure 'bout it. sorry.