Solve the problem.f(x) = log2(x + 1) and g(x) = log2(2x - 9).Solve f(x) = g(x).
A. {10}, (10, log2(1))
B. {10}, (10, log2(11))
C. {10}, (10, log2(10))
D. No solution.
Answer: B
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Solve the problem.An endangered species of fish has a population that is decreasing exponentially
The population 6 years ago was 1900. Today, only 900 of the fish are alive. Once the population drops below 100, the situation will be irreversible. When will this happen, according to the model? Round to the nearest whole year.
A. 17 years from today B. 20 years from today C. 18 years from today D. 19 years from today
Solve the system by the elimination method.2x + 6y = -5-10x - 30y = 25
A. {(3, -5)} B. ? C. {(2, 3)} D. {(x, y)| 2x + 6y = -5}
Solve.In a town whose population is 4000, a disease creates an epidemic. The number N of people infected t days after the disease has begun is given by the function N(t) = 
. Find the number infected after 8 days.
A. 3899 B. 3898 C. 3896 D. 3894
Use Cramer's rule to solve the system. If D = 0, use another method to complete the solution.4x + y = -24x - z = 1y + z = -3
A. {(0, -2, -1)} B. {(x, -2 - 4x, 1 - 4x)} C. {(x, -2 - 4x , 4x)} D. {(x, -2 - 4x, 4x - 1)}