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EXAMPLE 10Finding the Limit of a Polynomial

Find the limit of each polynomial:

  1. (a) lim
  2. (b) \lim\limits_{x\rightarrow -1}(7x^{5}+4x^{3}-2x^{2})=7(-1)^{5}+4(-1)^{3}-2(-1)^{2}=-13
  3. (c) \lim\limits_{x\rightarrow 0}(10x^{6}-4x^{5}-8x+5)=10(0)^{6}-4(0)^{5}-8(0)+5=5