Please help I’ll make you the brainiest

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

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