PLEASE HELP ME ASA A polynomial function has a root of –7 with multiplicity 2, a root of –1 with multiplicity 1, a root of 2 with multiplicity 4, and a root of 4 with multiplicity 1. If the function has a positive leading coefficient and is of even degree, which statement about the graph is true?
A)The graph of the function is positive on (2, 4).
B)The graph of the function is negative on (4, infinity).
C)The graph of the function is positive on (-infinity, –7).
D)The graph of the function is negative on (–7, –1).

what are the things "represented below"?

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x + y = 90 5x – 10y = 90 90 – 10y = 5x 90 + 10y = 5x

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last month maria hiked the 5-mile mountain trail a number of times and she hiked the 10-mile canal trail several times. let x represent the number of times she hiked the 5-mile trail, and let y represent the number of times she hiked the 10-mile trail. if she hiked a total of 90 miles, which equation can be used to find the number of times maria hiked each trail? x + y = 90 5x – 10y = 90 90 – 10y = 5x 90 + 10y = 5x