Substitute -1 for the variable x.
f(-1) = 2(-1) - 2
f(-1) = -2 - 2
f(-1) = -4
So percents are just written as 20% = 0.2 so keep that in mind
139 divided by 0.2 is 95 , which would be the price after the discount :)
hope this helps!
give me brainliest
You did not provide a photo, so there is nothing to answer.