Question 2 Which function is not a radical function? Time left 1: 55:18 Not yet answered Select one: Marked out of 1.00 O a. f ( x ) =_Vx-x Flag question O b. f ( x ) = _ x-1 O c. f( x ) = = Vx+1 O d. f ( x ) = =V3x+1 Question 3 The population of grasshoppers in a certain area, in thousands, is modelled by Not yet the function G(x) = 3v2x -1 +15. What is the range of this function? answered Marked out of Select one: 1.00 O a. y2 15 Flag question Ob. ys ? Oc. yz : Od. ys 15 Question 4 The domain and range of the function f(x) = -2vx +2, respectively, are Not yet answered Select one: Marked out of O a. XS -2 and f(x) so 1.00 Flag O b. x2 - 2 and f(x) 20 question O c. XS - 2 and f(x) 20 O d. x2 - 2 and f(x) so