If possible, evaluate the expression by hand. If not, approximate the answer to the nearest hundredth. Variables represent any real number.
A. 2.35
B. -39
C. 3.35
D. 3.61
Answer: A
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State whether you think that the variables have strong positive correlation, weak positive correlation, strong negative correlation, weak negative correlation, or no correlation.Age and remaining life expectancy.
A. Weak positive correlation B. Weak negative correlation C. No correlation D. Strong positive correlation E. Strong negative correlation
Determine whether the relation represents a function. If it is a function, state the domain and range.
A. function domain: {Bob, Ann, Dave} range: {Ms. Lee, Mr. Bar} B. function domain: {Ms. Lee, Mr. Bar} range: {Bob, Ann, Dave} C. not a function
Solve the problem.The population growth of an animal species is described by 
where t is measured in months. Find the population of this species in an area 6 months after the species is introduced.
A. 74 B. 470 C. 240 D. 704
Find the expected value.A car agency has found daily demand to be as shown in the table.
Find the expected number of customers.
A. 9 B. 12 C. 10 D. 2