Question

help understand answer see in comment

Answer 1

What problem do you want to understand?

Answer 2

f(g(1/2)
\[f(x)=\sqrt[3]{x+1}\]
\[g(x)=4x ^{2}-x\]
found g(1/2) is still 1/2
to plug back in got \[\sqrt[3]{\frac{ 1 }{ 2 }}+1\]
which is then
\[\sqrt[3]{\frac{ 3 }{ 2 }}\]
howerver the book says \[\frac{ \sqrt[3]{12} }{ 2 }\]

Answer 3

That is your answer, and it is invalid you have to remove a radical from the denominator.
More help?

Answer 4

Cneck your work again, are you sure your answer is right? I don't... esp that the book says...

Answer 5

Hold, on actually maybe!

Answer 6

Do you see my fraction. Multiply the top and bottom by