Substitute into the function to find the -intercept. So, . Therefore, the -intercept is .
Steps
Step 1 :Set the function equal to zero and solve for to find the -intercept(s). So, .
Step 2 :Rearrange the equation to get .
Step 3 :Take the cube root of both sides to find . So, the -intercept is .
Step 4 :Substitute into the function to find the -intercept. So, . Therefore, the -intercept is .