Which statement is true about the given function? f(x) > 0 over the interval (–infinity, 3). f(x) > 0 over the interval (–infinity, infinity). f(x) < 0 over the interval (–infinity, 3). f(x) < 0 over the interval (–infinity, infinity).

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step-by-step explanation:

start with a line segment pq that we will copy. mark a point r that will be one endpoint of the new line segment. set the compasses' point on the point p of the line segment to be copied. adjust the compasses' width to the point q. the compasses' width is now equal to the length of the line segment pq.

step-by-step explanation:

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation: