Question #ac2e1

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Answer 1 · 2017-04-02T03:09:29

drawn

a) The given function

#f(x)=-cos(pix)+5#

As #-1<=cos(pix)<=+1#

So range of the function

#(5-1)<=f(x)<=(5+1)#

#=>4<=f(x)<=(6#

b) No x-intercepts

c) The graph of this function reaches a maximum at (1,0) in [0,2]