Solve the equation.?b + 3? - 4 = 2
A. {-9, 3}
B. {-3, 9}
C. ?
D. {3}
Answer: A
Mathematics
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Solve each 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. 240 B. 704 C. 470 D. 74
Mathematics
Rationalize the denominator. Assume all variables represent positive numbers.
A. 
B. 
C. 
D. 
Mathematics
Determine if each ordered pair is a solution to the given system of inequalities in two variables.xy = 72x + y = 17(i) (8, 9); (ii) (-9, -8)
A. (i) No; (ii) Yes B. (i) No; (ii) No C. (i) Yes; (ii) No D. (i) Yes; (ii) Yes
Mathematics
Determine whether f is continuous at c.f(x) = 
;c = 0
A. continuous B. not continuous
Mathematics