Find the exact value. Do not use a calculator.tan (-?)
A. 0
B. -1
C. 1
D. undefined
Answer: A
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Find the series' radius of convergence.
A. ?, for all x B. 0 C. 1 D. 2
Solve the problem.A simple model of a harvested resource follows the equation 
where p(t) is the amount (or population) of the resource at time 
is the natural growth rate of the resource, and 
is the harvesting rate. If 
/> and 
for what values of H is the amount of the resource increasing? For what value of H is the amount of the resource constant?
A. H < 100; H < 100
B. H < 50; H = 50
C. H > 50; H = 50
D. H < 50; H > 50
Decide whether the pair of lines is parallel, perpendicular, or neither.3x - 6y = -418x + 9y = 4
A. parallel B. perpendicular C. neither
Provide an appropriate response.For the function f(x) = 3x2 - 4x + 5, find f(-2a) - 2.
A. 12a2 + 4a + 3 B. 12a2 + 4a + 2 C. 12a2 + 8a + 5 D. 12a2 + 8a + 3