Charles meets with customers on a daily basis. he uses the function f(x)=5/x-8/+20 to calculate how many dollars he the lowest hourly rate that charles charges.

we are given

where

x is number of hours

f(x) is dollars he charges

The charges will be lowest when absolute value will become 0

so, we can set value inside absolute function equals to 0

and then we can solve for x

............Answer

the answer is 9.8975

explanation:

when you multiply the "39.59" with the 25% it reduces it and shows its final discounted price. hope this !

step-by-step explanation:

step-by-step explanation:

given perimeter: 28cm

length: 9cm

atp,

2(l+w)=p of the reactangle

2(9+x)=28

18+2x=28

2x=28-18

x=10/2

x=5

therefore width is 5 cm