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Determine the interval(s) on which the function is increasing. (-infinity, 3) (-

ID: 2896455 • Letter: D

Question

Determine the interval(s) on which the function is increasing. (-infinity, 3) (-2, 2) (-1, 3) (-infinity, -2.5) and (1, 4.5) Determine whether the graph of y=|x-7| is symmetric with respect to the origin, the x-axis, or the y-axis. Not symmetric with respect to the x-axis, not symmetric with respect to the y-axis, and not symmetric with respect to the origin symmetric with respect to the x-axis only symmetric with respect to the y-axis only symmetric with respect to the origin only Solve, and express the answer in interval notation: 18-7x|

Explanation / Answer

3) option C

4) option C

5) |8-7x| <=6

8-7x <=6 and -(8-7x) <=6

2<=7x and 7x < = 14

x>=2/7 and x<=2

so x belongs to [2/7 , 2]

option C is correct

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