D. If the tangent line to the graph of the function fox) = 3 * - has slope In 2 7 when x=3, then the value of c is 9 2 bo y A Spotlight on the ground shines a wal 12 m away . If man 2m tall walks from the spotlight toward the building , at a speed of or m/s ,x hows fest is the length of his shadows on the building decreasing when he is from the building ? a , 3m/ s 1d, 24 m/s ex 2/- mils