Indicate whether the function is one-to-one.A = {(-9, -11), (20, 15), (-4, -7)}
A. No
B. Yes
Answer: B
Mathematics
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Solve the problem.A charged particle of mass m and charge q moving in an electric field E has an acceleration a given by 
where q and E are constants. Find 
.
A. 
= - 
B. 
= 
C. 
= 
D. 
= 
Mathematics
Provide an appropriate response.Can the sample variance ever be a negative number? If so, for what types of data? If not, why not? Can the sample variance ever be zero? If so, for what types of data? If not, why not? Explain your reasoning.
What will be an ideal response?
Mathematics
Determine the sum or difference in clock 12 arithmetic.11 + 4
A. 7 B. 3 C. 4 D. 15
Mathematics
Provide an appropriate response.What is the base if the portion is 42 and the rate is 12%? Use the percentage formula.
A. 5.04 B. 3.5 C. 350 D. 504
Mathematics