Quandaries
and Queries
Name: Amy
Who is asking: Student
Level: Secondary
Question: I am in a college calculus class (first level).
I hope you can help me. The question is :
f(x)= x3+x+1, a=1 find g'(a) (g = f -1). I
am having trouble finding g(a).
Hi Amy,
Since f and g are inverses, if g(a) = t then f(t) = a. You have a = 1 so what number t gives f(t) = 1?
Penny