Describe the strength and direction of the linear correlation.The ages and lengths of several animals of the same species are recorded in the following table:
A. Weak positive linear correlation
B. Weak negative linear correlation
C. Little or no linear correlation
D. Strong negative linear correlation
Answer: A
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Determine if the given function y = f(x) is a solution of the accompanying differential equation.Differential equation: y' = e- 2x - 2yInitial condition: y(0) = 0Solution candidate: y = 2xe- 2x
A. No B. Yes
Find the probability.The biology faculty at a college consists of 8 professors, 15 associate professors, 14 assistant professors, and 9 instructors. If one faculty member is randomly selected, find the probability of choosing a professor or an instructor.
A. 
B. 
C. 
D. 
Solve. If an object is propelled upward from a height of 112 feet at an initial velocity of 96 feet per second, then its height h, in feet, after t seconds is given by the expression 
Factor the expression. After how many seconds will the object hit the ground?
A. -16(t - 1)(t - 7); 1 sec B. -16(t + 1)(t + 7); 7 sec C. -16(t - 1)(t + 7); 1 sec D. -16(t + 1)(t - 7); 7 sec
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. 
D. 