A coach recorded the total time that each of his five cyclists spent training for an upcoming event. Their recorded times, in ho
urs and minutes are shown in the table.
What is the average time that the cyclists trained for the event?
A. 25 hours and 12 minutes
B. 26 hours and 2 minutes
C . 25 hours and 2 minutes
D. 26 hours and 12 minutes
What is the average time that the cyclists trained for the event?
A. 25 hours and 12 minutes
B. 26 hours and 2 minutes
C . 25 hours and 2 minutes
D. 26 hours and 12 minutes
2 answers:
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Answer: the graph crosses the x-axis at x = -3
<u>Step-by-step explanation:</u>
y = (x + 3)³
To find where the graph crosses the x-axis, let y = 0 and solve for x:
0 = (x + 3)³
0 = (x + 3) with a multiplicity of 3
-3 = x with a multiplicity of 3.
Since multiplicity is an ODD number, the graph CROSSES the x-axis at x = -3
<em />
<u>Graph:</u>
- Leading coefficient is POSITIVE so right side goes to +∞
- Degree of polynomial is ODD so left side goes to -∞
<em>graph is attached</em>
