Which linear function represents the line given by the point-slope equation y minus 8 is equal to 1 half times open paren x minus 4 close paren ?
A
f of x is equal to 1 half x plus 4B
f of x is equal to 1 half x minus 12C
f of x is equal to 1 half x minus 10D
f of x is equal to 1 half x plus 6