3 years ago

The following relations are written as equations. Which one is NOT a.

Mathematics

2 answers:

julia-pushkina [17]3 years ago

8 0

Answer:

x = 4

Step-by-step explanation:

doesn't pass the vertical line test

Softa [21]3 years ago

8 0

Answer:

x=4

Step-by-step explanation:

Realize that a function can only have one output, y, for each unique input, x.

2 Methods on finding if something is a function or not.

Do the vertical function test

To use the vertical line test, take a ruler or other straight edge and draw a line parallel to the y-axis for any chosen value of x. If the vertical line you drew intersects the graph more than once for any value of x then the graph is not the graph of a function.

Plug in points! See if there are more than one outputs for y

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Help (easy question) *attachment below*

JulsSmile [24]

Answer:

total ground and wall angle is 90°

beam angle with ground= 51

beam angle with wall =39

because total angle=angle with ground + angle with wall

angle with wall=total angle-angle with ground

angle with wall= 90-51=39

8 0