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Quiz 2: Relations and Functions

Last updated over 1 year ago
14 questions
Level 2
2

Determine if the following relation is a function:
{(6,3), (2,-7), (-2,3), (-1,-2)}

2

Determine if the following relation is a function:
{(4,8), (0,0), (-3, -3), (8,4), (-3,0)}

2

2

Identify the Quandrant for each of the given points.

  • (3,-2)
  • (-1,1)
  • (0,5)
  • (5,-6)
  • (-4, -8)
  • (8,0)
  • (-3,2)
  • (6,8)
  • I
  • II
  • III
  • IV
  • X-axis
  • Y-axis
Level 3
Use the following relations for questions 5-7
{(0,-7), (2,5), (-3,1), (-8,0)}
3

What is the domain?

3

What is the range?

3

Is it a function? Why or why not?

Use the following relations for questions 5-7
{(3,-5), (8,-6), (3,7), (5,9)}
3

What is the domain?

3

What is the range?

3

Is it a function? Why or why not?

3

Explain what the vertical line test is. In the Show your work box, provide an example.

Level 4
g(x) = -3x + 1
f(x) = x2 + 7
h(x) = \frac{12}{x}
j(x) = 2x + 9
4

Find g(10)

4

Find j(b+c)

4

Find x if f(x) = 23