There are five girls in a tennis class. How many different doubles teams of the two girls each can be formaed from the students in the class? This was a question for the topic "Counting Pairs"

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The graph of the function f(x) = (x + 2)(x + 6) is shown below. which statement about the function is true? the function is positive for all real values of x where x > –4. the function is negative for all real values of x where –6 < x < –2. the function is positive for all real values of x where x < –6 or x > –3. the function is negative for all real values of x where x < –2.