CPM Homework Help : CCA2 Problem 3-118

Match each graph below with its domain.

D: All values of $x$

$\text{D: }x>−2$

$\text{D: }x\leq3$

$\ \$ 1) Downward parabola, vertex at (2, comma 3), with arrows at ends pointing down and out.

$\ \$ 2) Sideways parabola, opening left, vertex at (3, comma 0), with arrows at ends pointing left & up, & left & down.

$\ \$ 3) Decreasing curved graph, with dashed vertical line at, x, = negative 2, graph approaches the vertical line from the left, and approaches the x axis, from above.

Answer (a):

$1$

Answer (b):

$3$

Answer (c):

$2$