If the range of the function f(x) = 7x – 2.7 is {14.1, 30.9, 41.4, 58.9}, what is its domain? a. {1.8, 3.4, 5.6, 9} b. {3.2, 3.9, 5.8, 8.4} c. {2.4, 4.8, 6.3, 8.8} d. {3, 4.6, 6.7, 8.9}

Asource of laser light sends rays ab and ac toward two opposite walls of a hall. the light rays strike the walls at points b and c, as shown below: what is the distance between the walls?