7. A ship drops anchor in a harbor. The anchor is 49 ft. above the surface of the water when it is released. Use the vertical motion formula for height of the anchor, h(t) = -16t² + 49 to answer the following questions.a. What is the starting height (y-intercept)?b. What is the value of h when the anchor hits the water?c. After how many seconds will the anchor hit the water?