Unit 1 Review

 $f\left(x\right)\ =\ -2x\ -3$  Which best describes the behavior of the function

• increasing

• decreasing

• constant

• both increasing and decreasing

Which of the following best describes the graph shown?

• is a function

  is exponential

  is discrete

  is increasing

• is a function

  is exponential

  is continuous

  is decreasing

• is a function

  is exponential

  is discrete

  is increasing and decreasing

• is a function

  is exponential

  is continuous

  is increasing

 $f\left(x\right)\ =\ 3x^2\ +\ 4x$  Which statement about the function is true?

• it has an absolute maximum

• it has an absolute minimum

• it has both an absolute maximum and absolute minimum

• it has neither an absolute maximum or absolute minimum

Which graph does not represent a function?

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The graph of function h(x) is shown in the picture.

Which of the following best represents the range of h(x)?

• $-5\ \le\ x\ \le\ 1$

• $y\ge\ -9$

• $y\ \le\ -9$

• all real numbers

The graph of function g(x) is shown. Which best describes the domain of the function?

• $y\ \ge\ -1$

• $1\ \le\ x\ \le\ 4$

• $-1\ \le\ x\ \le\ 6$

• all real numbers

Which of the following graphs represent a function?

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Which of the following best represents the range of the given function?

• $x\ >\ 4$

• $x\ <\ 4$

• all real numbers less than 0

• all real numbers greater than 0

Which table shows y as a function of x?

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Which of the following representations does NOT show y as a function of x?

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