2 pts\nhow did we identify whether our function was positive or negative on each interval?\n○ factor\n○ test…

2 pts\nhow did we identify whether our function was positive or negative on each interval?\n○ factor\n○ test points\n○ subtract 5\n○ bring all the terms to one side

2 pts\nhow did we identify whether our function was positive or negative on each interval?\n○ factor\n○ test points\n○ subtract 5\n○ bring all the terms to one side

Answer

Answer:

B. test points

Explanation:

Step1: Recall function - sign method

To determine if a function is positive or negative on an interval, we use test - points.

Step2: Understand other options

Factoring helps with finding roots. Subtracting 5 or bringing terms to one side is not relevant for this purpose.