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(a) Determine whether the functions below are continuous or discontinuous. If there exists a discontinuity at any point, identify the discontinuity as removable or

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(a) Determine whether the functions below are continuous or discontinuous. If there exists a discontinuity at any point, identify the discontinuity as removable or non- removable. x-9 f(x)=-7x-30 (b) f(x)= 2x+1 x +6x+5

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