Answer:
f(-3)=4
Step-by-step explanation:
Substitute x=-3 into the function
f(-3)=(-3)^2-5
f(-3)=9-5
f(-3)=4
 
        
                    
             
        
        
        
Answer:
The value of an appropriate test statistic for the car dealer to use is -4.
Step-by-step explanation:
The null hypothesis is:

The alternate hypotesis is:

The test statistic is:

In which X is the sample mean,  is the value tested at the null hypothesis,
 is the value tested at the null hypothesis,  is the standard deviation and n is the size of the sample.
 is the standard deviation and n is the size of the sample.
In this problem:

Then



The value of an appropriate test statistic for the car dealer to use is -4.
 
        
             
        
        
        
Answer: D. No automatic fees charged to the account. 
If I had the chance to teach a foreigner regarding checking and savings account at the banks in the United States, I would remind him/her of this important note. There are no automatic fees charged to the account therefore, consumers cannot protect their rights. 
        
                    
             
        
        
        
Answer:
8
Step-by-step explanation:
Area of a trapezoid can be found using  the following formula:
A= base 1 + base 2 / 2 times the height
plug it in
A= 6 + 2/2 times 2
A= 8