A) What is the
domain?
b) What is the range?

c) Is this relation
a function?

step-by-step explanation:

try remembering the steps

answer: the first graph

step-by-step explanation:

stethere all not eveanp-by-step explanation:

answer: (c) m∠qpo + (2x + 16)° = 180°

step-by-step explanation:

the opposite angles of a quadrilateral are supplementary.

so, ∠o + ∠q = 180°   and   ∠p + ∠r = 180°

since ∠r = 2x + 16°, we can use substitution as follows:

∠p + ∠r = 180°

∠p + (2x + 16)° = 180°