Answer
$a.\quad 2$
$b.\quad 3$
$c.\quad 1$
$d.\quad 4$
Work Step by Step
Graph 1 is obtained from f(x) by
shifting to the right and up ... case (c).
Graph 2 is obtained from f(x) by
vertically compressing .... case (a)
Graph $3$ is obtained from f(x) by
shifting to the left and reflecting about the x-axis .. case (b)
Graph $4$ is obtained from f(x) by
reflecting about the y-axis ... case (d)