Calculate the average rate of change for the given graph from x = –2 to x = 0 and select the correct answer below.
2 answers:
<h2>Answer:</h2>
the average rate of change for the given graph from x = -2 to x = 0 is:
3
<h2>Step-by-step explanation:</h2>We know that the average rate of the graph of the function f(x) form x=a to x=b is calculated by the formula:
Here we have:
a= -2 and b=0
Also, from the graph of the function we have:
f(a)=0 and f(b)=6
Hence, the average rate of change of the graph from x= -2 to x=0 is:
Hence, the answer is: 3
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Answer:
a
The null hypothesis is
The alternative hypothesis is
b
c
d
There no sufficient evidence to support the conclusion that the population mean sales prices for new one-family homes in the South is less expensive than the national mean of $181,900
Step-by-step explanation:
From the question we are told that
The population mean is
The sample size is
The sample mean is
The sample standard deviation is
The null hypothesis is
The alternative hypothesis is
Generally the test statistics is mathematically represented as
=>
=>
Generally the p-value is obtain from the z-table the value is
=>
From the calculation we see that
hence we fail to reject the null hypothesis
Thus there no sufficient evidence to support the conclusion that the population mean sales prices for new one-family homes in the South is less expensive than the national mean of $181,900