The answer is one because...
3+10÷5-4
3+2−4
5−4=1
Answer:
b) x^4 varies directly as y
is the right answer
Step-by-step explanation:
Given that x and y are related by the equation
This can be rewritten as
If x^4 =z is substituted we have
z=7y
i.e. Z directly varies as y and constant of proportionality is 7.
Hence we can write
x^4 varies directly as y
Option b is right
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