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Precalc Unti 1 and 2 Review

  •  English    13     Public
    Polynomials, Rational, Exponential, and Logarithmic Functions
  •   Study   Slideshow
  • Write in factored form
    2(x−2)(x^2+2x+4)
  •  5
  • Write in factored form
    Cannot factor OR not factorable
  •  5
  • Write in factored form
    (x−1)(x−1)(x−1)
  •  5
  • Divide
    x^3-4x^2-6x+3
  •  10
  • Find the quotient
    x^3-8x^2-7x+2-[7/(x+10)]
  •  10
  • If the company only has enough materials to make 300 bicycles, should it make the bicycles?
    The company should NOT make 300 bicycles because the company will lose $9,500.
  •  15
  • What are the dimensions of the hydraulic concrete block?
    length=21 m, width=15 m, height=3 m
  •  25
  • A square piece of cardboard measures 8 inches by 8 inches. Squares are cut out of the corners and the sides are folded up to create an open-top box. How long should you make the cuts in order to get the maximum volume?
    4/3 inches OR 1 and 1/3 inches
  •  15
  • Desmos Required: A square piece of cardboard measures 8 inches by 8 inches. Squares are cut out of the corners and the sides are folded up to create an open-top box. Identify the roots and the multiplicity of each root.
    x=0 mult. 1, x=4 mult. 2
  •  15
  • You invested $8,000 in an account that yields 6% interest per year. After how many years will the account be worth $13,709.60 if the interest is compounded monthly?
    9 years
  •  20
  • Answer part a.
    June 29
  •  25
  • Answer part b.
    On June 26, the lake will only be 6. 25% covered. To the casual observer, it is hard to imagine such a jump between this small percent of coverage to 100%.
  •  25
  • Answer part c.
    By July 6, the lake will be completely covered with algae.
  •  25