The graph of which function has a minimum located at (4, -3)? O f(x) = - =x2 + 4x - 11
O f(x) = -2x2 + 16x - 35
O f(x) = %x2 - 4x +5
O f(x) = 2x2 - 16X + 35

Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45°. the angle that kelly looks up to see the top of the lighthouse is y°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of x° . in two or more sentences, explain your calculations