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# Lesson Worksheet: Sign of a Function Mathematics

In this worksheet, we will practice determining the sign of a function from its equation or graph.

**Q2: **

Determine the sign of the function represented by the figure below in .

- AThe function is negative when , and the function equals zero when .
- BThe function is positive when , and the function equals zero when .
- CThe function is positive when , the function is negative when , and the function equals zero when .
- DThe function is negative when , the function is positive when , and the function equals zero when .
- EThe function is negative for all .

**Q4: **

Determine the sign of the function .

- AThe function is positive when , the function is negative when , and the function equals zero when .
- BThe function is positive when , the function is negative when , and the function equals zero when .
- CThe function is positive when , the function is negative when , and the function equals zero when .
- Dpositive
- EThe function is positive when , the function is negative when , and the function equals zero when .

**Q7: **

Determine the sign of the function .

- AThe function is positive when , the function is negative when , and the function equals zero when .
- BThe function is positive when , the function is negative when , and the function equals zero when .
- CThe function is positive when , the function is negative when , and the function equals zero when .
- DThe function is positive when , the function is negative when , and the function equals zero when .