Question

find a formula for the inverse of the function f(x)=(x^3)+1

Answer 1

for the inverse, just swap x and y then make y the subject.

so after the swap you have

\[x = y^3 + 1\]

make y the subject.

Answer 2

what do I do after
\[x-1=y ^{3}\]

Answer 3

whats the opposite of cubing a number...?

Answer 4

cubed root?

Answer 5

yes thats it... so take the cube root of both sides of the equation

Answer 6

so would the answer be
\[\sqrt[3]{x-1}=y\]

Answer 7

yes, great job

Answer 8

ok thanks!