Ken is 6 feet tall and is walking away from a streetlight. the streetlight has its light bulb 14 feet above the ground, and ken is walking at the rate of 1.7 feet per second. first, find a function, d(t), which gives the distance ken is from the streetlight in terms of t (time in seconds). second, find a function, , which gives the length of ken's shadow in terms of d. then find .