2010005202

SubArea: 
Derivative
Level: 
A
Project ID: 
2010005202
Source Problem: 
1003112006
Accepted: 
0
Clonable: 
1
Easy: 
1
Given the function f:y=12x2−4, determine all the values of x (x∈R) for which |f′(x)|=1.
x1=1, x2=−1
x=1
x1=2, x2=−2
x=2
x=−1