Question

if f(x)+2f(1/x)=3x, x is not equal to zero and S={x belongs to real numbers: f(x)=f(-x)}; then S,
a. is an empty set
b. contains exactly one element
c. contains exactly two elements
d. contains more than two elements ​

Answer 1

Answer:

d. cod. contains more than two elements ntains more than two elements

Step-by-step explanation:

d. contains more than two elements