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1. For each of the following limits, write down which of the following techniques should be used to evaluate: Direct-Substitution, Factoring, Multiplying by the Conjugate, Common Denominator, Checking the Sign of "#/0", Forced-Factoring, or Piecewise Absolute Value Functions. Do not solve the limit! (a) lim 3 - 3x2 - 4x + 12 - 3 (b) lim Vx - 2 r-4 x- (c lim r-1x+1 (d) lim x2 + 2x - 1 24-0 2 - 4x2 + x (e lim ( Ith) ? - -2 h-0 h x - 4 f) lim x-4 x2 + 2x+1 - 2 g) lim r - 2 er + 1 h) lim