Question

WILL FAN & GIVE MEDAL

What could the graph of the function shown below represent?

A.

The graph could show the cost of any number of items, where the dollar cost equals the number of items.
B.

The graph could show the temperature at any time.
C.

The graph could show the position of a falling ball at a given time.
D.

The graph could show the length and width of a rectangle, for any measurement.

Answer 1

Notice that for every point on the graph, x = y.

Answer 2

okay

Answer 3

If you have no idea, you could use process of elimination:

The graph could show the temperature at any time.
^ does this sound like it'd be a perfectly straight line?

The graph could show the position of a falling ball at a given time.
^ would a falling ball have a graph that goes up like this one, or down?

Answer 4

The graph could show the length and width of a rectangle, for any measurement.
^ again note what mathstudent said, would the length and width of a rectangle always be equal?

Answer 5

i just need the answer to check my sisters homework

Answer 6

The graph could show the cost of any number of items, where the dollar cost equals the number of items. Easy ways seldom teach.

Answer 7

What?

Answer 8

A.
The graph could show the cost of any number of items, where the dollar cost equals the number of items.

Answer 9

"i just need the answer to check my sisters homework"

Well... i eliminated three of the four answers :/

Answer 10

Y axis shows the cost and the X axis shows the number of items, since both ae equal the graph is a straight line; y=x

Answer 11

@agent0smith You get an A+ for effort mate.