Question #bc5a2
1 Answer
Explanation:
we take
now
for definition
then
substitute
isolate the variable x
now
but when we have absolute valor, there are two cases, when the inside is positive or negative
when
but
operating
now replacing a random value for u we can replace any variable, returning to redefine this function in x
similar to the first case now positive
substitute
now replacing a random value for u we can replace any variable, returning to redefine this function in x