12. Which explains whether the relation shown is a function? A) The relation is a function since it is continuous.

B) The relation is not a function since it is not symmetrical

C) The relation is a function since it passes the vertical line test

D) The relation is not a function since it does not pass the horizontal line test.

C

Step-by-step explanation:

the vertical line test is when you check to see if a point of the graph is passed twice. in this case it does pass the vertical line test. therefore, it is a function.

42.5

Step-by-step explanation:

The figure shown is a trapezoid

The area of a trapezoid can be calculated using this formula

where a and b = bases and h = height

The trapezoid has the following dimensions

base 1 = 7 m

base 2 = 10 m

height = 5 m

Given this information we plug in the values into the formula

So we can conclude that the area of the trapezoid is 42.5 square units