If f(x)=-x+8 and g(x)=x^4,what is (g•f)(2)?

It can be written as f(−8) or f(3(−2)−2)

You would substitute −2 for the x in 3x−2 and then insert 3(−2)−2 for the g. You would end up with f(3(−2)−2), which can also be simplified to f(−8)

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 !