6. [-/1 Points] DETAILS SESSCALC2 5.1.037. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find (f-1) '(a). f(x ) = 3x3 +4x2 +7x+6, a = 6 ( f- 1) ' ( a ) = Need Help? Read It (Submit Answer 7. [-/2 Points] DETAILS SESSCALC2 5.1.027. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Consider the following function. f( x) = x4+4, x20 Find an explicit formula for f-1. f - 1 ( x ) = Graph f-1, f, and the line y = x on the same screen. To check your work, see whether the graphs of fand f-1 are reflections about the line. 10 10 8 8 4 4 2 0 2 4 6 8 10 O 0 2 4 6 8 10 10 10 B 8 f1 6 6 4 4 2 2 O 0 2 4 8 10 O 0 2 4 6 8 10 Need Help? Read It Watch It