Use the data shown in the scatter plot to determine whether the data should be modeled by a linear function.
A. No, data points do not lie close to a line
B. Yes, exactly linear
C. Yes, approximately linear
Answer: C
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Identify the sequence as arithmetic, geometric, or neither.2, 
, 5, 
, . . .
A. Geometric B. Neither C. Arithmetic
Use Bayes' rule to find the indicated probability.The incidence of a certain disease on the island of Tukow is 4%. A new test has been developed to diagnose the disease. Using this test, 91% of those who have the disease test positive while 4% of those who do not have the disease test positive (false positive). If a person tests positive, what is the probability that he or she actually has the disease?
A. 0.438 B. 0.487 C. 0.91 D. 0.856
Solve the problem.A force of 90 lb acts on an object at an angle of 55°. A second force of 100 lb acts on the object at an angle of -60°. Find the direction and magnitude of the resultant force.
A. 
? 1.43 lb, ? = -2°
B. 
? 102.43 lb, ? ? -7.2°
C. 
= 98.92 lb, ? = -4.2°
D. 
= 101.47 lb, ? ? 7.2°
Provide the proper response.Suppose z varies directly as x and inversely as the square of y. If x is doubled and y is tripled, what happens to z?
A. z is multiplied by 
.
B. z is multiplied by 
.
C. z is multiplied by 
.
D. z is multiplied by 6.