Choose the graph that correctly corresponds to the equation x = −4. (5 points)
2 answers:
Answer:
Option D is true. ( graph of a vertical line through the point (negative 4,0) )
Step-by-step explanation:
We have to choose a graph such that it corresponds to the equation x= -4.
We know that the graph of x= -4 is a straight line which passes through (-4,0) such that the value of 'x' is constant all over the real line and the value of y may vary over the real line and such a line is a vertical line parallel to the y-axis.
The graph of such function is attached to the answer.
Hence, option D is correct.
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Answer:
<u>Recursive:</u>
<u>Explicit:</u>
Explanation:
<u>1. Sequence:</u>
<u>2. Recursive formula</u>
The recursive formula permits to calculate the value of the nth term in the sequence using the (n-1)th term in the sequence.
<u>3. Explicit formula</u>
The explicit formula permits to calculate any value of a term in the sequence:
Answer:
Step-by-step explanation:
A. H0: accident are evenly distributed
H1: accident are not evenly distributed
B. The critical value is chi²(0.01,7) = 18.4753
C. The decision rule would be to reject h0 and accept h1 if the test statistic is higher than the critical value
D. Test statistic = summation (Oi-Ei)²/E
This gives 24.6 from the table.
E. Based on these calculations, test statistic is > than critical value
24.6> 18.4753
F. The inference is that accidents are not evenly distributed at 0.01 level of significance.
