Suppose $f : \mathbf { R } \rightarrow \mathbf { Z }$ where $f ( x ) = \lceil 2 x - 1 \rceil$ .
(a) If A= $\{ x \mid 1 \leq x \leq 4 \}$ , find $f ( A )$ .
(b) If B={3,4,5,6,7} , find $f ( B )$.
(c) If C={-9,-8} , find $f ^ { - 1 } ( C )$
(d) If D={0.4,0.5,0.6} , find $f ^ { - 1 } ( D )$

Question

Suppose $f : \mathbf { R } \rightarrow \mathbf { Z }$ where $f ( x ) = \lceil 2 x - 1 \rceil$ .
(a) If  A=  $\{ x \mid 1 \leq x \leq 4 \}$ , find $f ( A )$ . 
(b) If  B={3,4,5,6,7} , find $f ( B )$.
(c) If  C={-9,-8} , find $f ^ { - 1 } ( C )$
(d) If  D={0.4,0.5,0.6} , find $f ^ { - 1 } ( D )$

Quizplus · Accepted Answer

The Answer of Suppose $f : \mathbf { R } \rightarrow \mathbf { Z }$ where $f ( x ) = \lceil 2 x - 1 \rceil$ .
(a) If  A=  $\{ x \mid 1 \leq x \leq 4 \}$ , find $f ( A )$ . 
(b) If  B={3,4,5,6,7} , find $f ( B )$.
(c) If  C={-9,-8} , find $f ^ { - 1 } ( C )$
(d) If  D={0.4,0.5,0.6} , find $f ^ { - 1 } ( D )$

Suppose f:R→Zf : \mathbf { R } \rightarrow \mathbf { Z }f:R→Z

Suppose $f : \mathbf { R } \rightarrow \mathbf { Z }$