SOLUTION: Find f(-3) and f(5/2) if ** (5/2) is a fraction F(x) = |x| F(x)= [x] +1

Algebra ->  Rational-functions -> SOLUTION: Find f(-3) and f(5/2) if ** (5/2) is a fraction F(x) = |x| F(x)= [x] +1      Log On


   

Question 1123632: Find f(-3) and f(5/2) if
** (5/2) is a fraction
F(x) = |x|
F(x)= [x] +1
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

Find f%28-3%29 and f%285%2F2%29 if

F%28x%29+=+abs%28x%29
F%28x%29=+abs%28x%29+%2B1

if F%28x%29+=+abs%28x%29, then
f%28-3%29=+abs%28-3%29=3
f%285%2F2%29=abs%285%2F2%29=5%2F2

if F%28x%29+=+abs%28x%29%2B1, then
f%28-3%29=+abs%28-3%29%2B1=4
f%285%2F2%29=abs%285%2F2%29%2B1=5%2F2%2B2%2F2=7%2F2