- #1

karush

Gold Member

MHB

- 3,269

- 5

a.$\quad y \le 1$

b.$\quad y\ge 7$

c.$\quad -7\le y\le1$

d. $\quad -1\le y\le7$

e. $\quad -7\ge y \ge 1$

Ok I think this could be solved by observation but is risky to do so...

\begin{array}{l|l}

(y+3)=4&-(y+3)=4\\

y=4-3&-y=4+3\\

y=1&y=-7

\end{array}

thus

$-7\le y \le 1$

which is c.