In this exercise,(a) find f(0),(b) solve f(x)=0. f(x)=-1/2 x + 5



a) Find f(0), f(x)= -1/2 x + 5



              f(0)= -1/2 (0) + 5

                  =  0 + 5 

                  =  5







b) Solve f(x) = 0, f(x)= -1/2 x + 5

                     0 = -1/2 x + 5         add 1/2x both sides

                  1/2x = 5                  multiply both sided by 1/2

                     x = 10 

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