To find the coordinate of the vertex, set the inside of the absolute value equal to . In this case, .
Add to both sides of the equation.
Replace the variable with in the expression.
Simplify each term.
Combine the numerators over the common denominator.
Subtract from .
Remove non-negative terms from the absolute value.
Divide by .
Multiply by .
Add and .
The absolute value vertex is .
Find the Vertex f(x)=3/2|x-2/5|+5/3