Which of the following exponential functions represents the graph below?

Equation D give the graph given.

Step-by-step explanation:

See the graph given.

It is clear from the graph that it passes through (0,1) point.

So, putting x = 0, we get y = 1 from equation B or equation D.

Now, as the x value increases in the negative direction i.e. -5, -6, .... so on, the y value tends to zero.  

This is only possible in equation D i.e. .

So, equation D gives the graph given. (Answer)

to find the unit price, we must figure out the cost of one item (in this case one dish towel).   to do this, we divide the total price ($7.92) by the number of items bought (for this problem it is 8, because there are eight dish towels in one pack).  

$7.92/8 = $0.99

therefore, the unit price, or the price of one dish towel, is $0.99.

hope this !