Which graph shows a linear function?

Which of the following represents the range of the graph of f(x) below

Marquise has 200 meters of fencing to build a rectangular garden. the garden's area (in square meters) as a function of the garden's width w w (in meters) is modeled by: a ( w ) = − w 2 + 1 0 0 w a(w)=−w 2 +100w what side width will produce the maximum garden area? meters

The product of sin 30 degrees and sin 60 degrees is same as the product of