Which of the following functions best describes this graph?
a) y= х2 – 8х + 15
в) y= х2 + 8х + 15
c) у= х2 +х- 12
d) y= х2 – 5х +6

4. (10.03 mc) the equation of line cd is y = −2x − 2. write an equation of a line parallel to line cd in slope-intercept form that contains point (4, 5). (4 points) y = −2x + 13 y = negative 1 over 2 x + 7 y = negative 1 over 2 x + 3 − 2x − 3