1.   Which function is not linear?
    A. B. f(x) = 2x3
    C. f(x) = 14x + 7 D. f(x) = 8
    Hint

  2.   Find the y-intercept of the graph of 2x - 5y = 10.
    A. -2 B. 5
    C. 2 D. 0
    Hint

  3.   Consider the formula F(c) = 1.8c + 32, where c is the temperature in degrees Celsius and F(c) is the temperature in degrees Fahrenheit. If it is 0° C at the beginning of the day, and it is 11° C at noon, what was the change in temperature in degrees Fahrenheit?
    A. -12.2 B. 51.8
    C. 19.8 D. 11
    Hint

  4.   Given find ?
    A. 10 B. 9
    C. –12 D. –9
    Hint

  5.   Given find
    A. 1 B. –7
    C. –1 D. 7
    Hint



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