Answer:
<h2>
not a function</h2>
Step-by-step explanation:
vertical line test: if it intersects at more than one point, it is not a function. If it intersects once, it is a function
Answer:
X<-19
Step-by-step explanation:

Answer:
$120
Step-by-step explanation:
Perimeter = 2L + 2W
since it’s a square, all sides are equal so
perimeter = 4s
s = 13
so multiply 13 by 4
perimeter = 13*4 = 52