2.8 and Chapter 4

Because two inputs (-3 & -2) result in the same output (7)

Because one of the inputs (-3) can result in two outputs (5 & 6)

Because the arrows don't cross

Because the inputs are negative put the outputs are positive

No, because there are repeating input values

Yes, because there are no repeating input values

True

False

One-to-One Function

Not One-to-One Function

False

True

{(0,2), (0,4), (0,5), (0,6)}

{(1,3), (4,3), (8,3), (3,1)}

{(5,-1), (6,3), (1,2), (7,-8)}

{(1,2), (3,4), (-1,-2), (1,5)}

 $\frac{x}{3}$  

 $\frac{3}{x}$  

 $0.3x$  

 $x\times3$  

$x+10$

$x-10$

$\frac{x}{10}$

$\frac{10}{x}$

 $\frac{x-5}{1}$  

 $\frac{x}{5}-1$  

 $x-\frac{1}{5}$  

 $\frac{x-1}{5}$