Precalculus Chapter 1 Functions

Which of the following values should you evaluate in order to determine the y-intercept of a rational function?

• f(0)

• f(1)

• f(x)

• f(-1)

Tags

CCSS.HSF-IF.C.7D

True or False: The graph of a rational function may cross through/over a horizontal asymptote.

• True

• False

Tags

CCSS.HSF-IF.C.7D

Using the vertical line test. Is this a function?

• Yes

• No

What is g(-2) if:

• -7

• 7

• 1

• -1

Tags

CCSS.HSF.IF.A.2

Using the vertical line test. Is this a function?

• Yes

• No

Which of the relations below is a function?

• <(p>{(2, 3), (3, 4), (5, 1), (5, 4)}

• {(-2, 3), (3, 4), (6, 2), (9, 3)}

• {(-2, 3), ( -3, 4), (6, 2), (-3, 3)}

Tags

CCSS.8.F.A.1

For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.

• D: {1, -3, -4,}
  R: {0, 1, 2, -4}

• D:{0, 1, 2, -4}
  R:{1, -3, -4}

• D:{0, 1, 2, 3, 4}
  R:{1, -3, -4}

• D:{0, 1, 2, 3}
  R:{0, 1, 2, 3, 4}

What is the RANGE?

• (-∞, +∞)

• (-2, +∞)

• [-2, +∞)

• (-∞, 0) U (0, +∞)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Given f(x) = 3x² + 1, what is f(t + 2)?

• 3t² + 3

• (3t + 2)² + 1

• 3(t + 2)² + 1

• none of these

Tags

CCSS.HSF.IF.A.2

• All real numbers greater than or equal to 1

• All real numbers except 1

• x = 1

• All real numbers