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Jlenok [28]
1 year ago
11

The graph of the function f(x) = (x − 3)(x + 1) is shown.

Mathematics
1 answer:
AVprozaik [17]1 year ago
3 0

The expression that describes all of the values for which the graph is positive and decreasing is all real values of x where x < -1

<h3>Which describes all of the values for which the graph is positive and decreasing?</h3>

The equation of the function is given as:

f(x) = (x - 3)(x + 1)

When the value of the graph is positive, we have:

f(x) > 0

So, the function becomes

(x - 3)(x + 1) > 0

Split the above inequality

x - 3 > 0 and x + 1 > 0

Solve for x in the inequalities

x > 3 and x > -1

Hence, the expression that describes all of the values for which the graph is positive and decreasing is all real values of x where x < -1

Read more about intervals at:

brainly.com/question/1503051

#SPJ1

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