Domain, Range, Intercepts: Find the Errors

Domain, Range, Intercepts: Find the Errors

Multiple Choice

Is the answer correct?

• Yes

• No

Multiple Choice

Is this answer correct?

• Yes

• No

Multiple Choice

Which of the following is the correct answer?

• $y\ \epsilon\ \left[2,\ +\infty\right)$

• $y\ \epsilon\ \left[-4,\ +\infty\right)$

• $x\ \epsilon\ \left(-\infty,\ +\infty\right)$

• $y\ \epsilon\ \left(-4,\ +\infty\right)$

Range

• "Smash" vertically to the y-axis

• If graph continues to the edge, draw an arrow.

• If the graph stops at a point, use a solid circle.

• Write the interval with lowest value on the left and highest value on the right.

Multiple Choice

Is this answer correct?

• Yes

• No

Multiple Choice

What is the correct answer?

• 
  

  $x\ \epsilon\ \left[-10,\ 5\right]$

• $x\ \epsilon\ \left(-\infty,+\infty\right)$
  

• $x\ \epsilon\ \left[-10,+\infty\right)$

• $x\ \epsilon\ \left(-\infty,\ 0\right]$

Multiple Choice

This student wrote "none" for both intercepts. Is this correct?

• Yes

• No

Multiple Select

Which statements are true? Select all that apply.

• X-intercepts: none

• X-intercepts: not shown

• Y-intercepts: none

• Y-intercepts: not shown

Multiple Choice

Is this correct?

• Yes

• No

Multiple Choice

Is this correct?

• Yes

• No

Multiple Choice

Is this correct?

• Yes

• No

Multiple Choice

What is the error?

• Should have used 'x' as the variable

• The negative infinity should be on the left

• Should be an open parenthesis on the left side by the 0

• Should be a ] on the right side