If \(y=kx^{\frac{1}{4}}\) and \(y=3\sqrt{2}\) at \(x = 81\), what is the value of \(y\) at \(x = 4\)?
y = k x^(1/4)
Let's start by finding k.
3sqrt(2) = k * (81)^(1/4)
3sqrt(2) = k * 3
k = sqrt(2)
y = sqrt(2) * 4^(1/4)
Can you take it from here? :))
=^._.^=
Thx, I get it now