Question:
From the following functions (given by their graph or equation), select all that are one-to-one.
Project ID:
7400220130
Answer 1:
Answer 1 Correct:
0
Answer 2:
Answer 2 Correct:
0
Answer 3:
$f(x)=2x$
Answer 3 Correct:
1
Answer 4:
$f(x)=-x+1$
Answer 4 Correct:
1
Answer 5:
Answer 5 Correct:
1
Answer 6:
Answer 6 Correct:
0
Answer 7:
$f(x)=\frac1{x}$
Answer 7 Correct:
1
Answer 8:
$f(x)=x^2$
Answer 8 Correct:
0