Find the domain of the function.f(x) = ln (-7 - x)
A. x > -7
B. x > 7
C. x < -7
D. x < 7
Answer: C
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Simplify.(x-4y5)-3
A. 
B. 
C. 
D. 
Solve the problem.The average per-person annual consumption of hot dogs is shown in the table. Let C be the average per-person consumption of hot dogs at t years since 2002. C = 0.97t + 18.41 can be used to model the data.
What is the C-intercept and what does it mean in this situation?
A. (0, 18.41); In 2002 the average consumption was 18.41 hot dogs per-person. B. (-18.98,0); In 2021 the average consumption will be 0 hot dogs per-person. C. (0, 0.97); In 2002 the average consumption was 0.97 hot dogs per-person. D. (0, 18.41); Each year the average consumption is increased by 18.41 hot dogs per person.
150 students in a math class take the final exam. The scores on the exam have an approximately normal distribution with mean ? = 65 and standard deviation ? = 10.Approximately 95% of the class scored between
A. 45 and 85. B. 65 and 85. C. 35 and 95. D. 0 and 85. E. none of these
Solve.
= 
+ 
A. 
B. {16}
C. 
D. 