1.   If f(n) = -6n + 2, find f.
    A. 9 B. 8
    C. -3 D. 4
    Hint

  2.   Triple the number, subtract 5, and square the result.Which function describes the rule?
    A. y = 3x2 – 5 B. y = 3(x – 5) 2
    C. y = (3x – 5) 2 D.
    Hint

  3.   Find the domain of the function.
    A. all real numbers except 0
    B. all real numbers
    C. all real numbers except –1
    D. all real numbers except 1
    Hint

  4.   Hector needs to build a rectangular pen for his dog. He decides to use an area of 50 m2 in his backyard for the pen. Using l for the length and w for the width, express the area in terms of the two variables.
    A. l + w = 50 B. w = 50 – w
    C. lw = 50 D.
    Hint

  5.   Hector needs to build a rectangular pen for his dog. He decides to use an area of 50 m2 in his backyard for the pen. Using w for the width, find a function f(w) that represents the perimeter of the fence in terms of w.
    A. lw = 50 B. l = 50 – w
    C. D. l + w = 50
    Hint



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