Which function has a vertex at open paren 2 comma 6 close paren ?
A
f of x is equal to 2 start absolute value x minus 2 end absolute value minus 6B
f of x is equal to 2 start absolute value x plus 2 end absolute value minus 6C
f of x is equal to 2 start absolute value x plus 2 end absolute value plus 6D
f of x is equal to 2 start absolute value x minus 2 end absolute value plus 6