1103082704

SubArea: 
Exponential functions
Level: 
C
Project ID: 
1103082704
Accepted: 
1
Function f is given completely by the next graph. Identify which of the following statements is true.
f(x)=2|x|; x∈[−2;2]
f(x)=|2x|; x∈[−2;2]
f(x)=|x2+1|; x∈[−2;2]
f(x)=|2−x|; x∈[−2;2]