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

  2.   Find the domain of the function.y = –x + 3
    A. all real numbers except 3 B. all real numbers
    C. all real numbers except 1 D. all real numbers except –3
    Hint

  3.   Find the line of symmetry of the graph of
f(x) = x2 – 4x + 5.
    A. x = –2 B. x = 1
    C. x = –1 D. x = 2
    Hint

  4.   Find the x-intercepts of the graph of f(x) = –x2 + 4x + 12.
    A. –2, 16 B. 2, 16
    C. –2, 6 D. –2, –6
    Hint



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