SOLUTION: How many real solutions are there if f(x)=x? A)1 B)3 C)3 D)4

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Question 1089093: How many real solutions are there if f(x)=x?
A)1
B)3
C)3
D)4
Answer by ikleyn(52794) About Me  (Show Source):
You can put this solution on YOUR website!
.
Depends on what is f(x), which you failed to define.