Given the function y= -4sin(3x-45)+2, (a)state the mapping rule (b) state 5 critical points of the function y=sinx and their new location under the transformations given by y= -4sin(3x-45)+2 (c)...

Given the function y= -4sin(3x-45)+2,

(a)state the mapping rule

(b) state 5 critical points of the function y=sinx and their new location under the transformations given by y= -4sin(3x-45)+2

(c) sketch the function y= -4sin(3x-45)+2 showing two complete cycles