50 points  what statement correctly describes the key features of the graph of f(x) = 4(one half)x + 1 − 3? a. y-intercept of (0, −1), starts up on the left, gets closer to y = −3 on the right b. y-intercept of (0, −1), starts down on the left, gets closer to y = −3 on the right c. y-intercept of (0, 1), starts up on the left, gets closer to y = −3 on the right d. y-intercept of (0, 1), starts down on the left, gets closer to y = −3 on the right