Solve the problem.Exposure to ionizing radiation is known to increase the incidence of cancer. One thousand laboratory rats are exposed to identical doses of ionizing radiation, and the incidence of cancer is recorded during subsequent days. The researchers find that the total number of rats that have developed cancer t months after the initial exposure is modeled by 
for 
months. Find the rate of growth of the number of cancer cases at the 7th month. Round your answer to the nearest tenth, if necessary.
A. 18 cases/month
B. 126.3 cases/month
C. 13 cases/month
D. 22 cases/month
Answer: A
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Provide an appropriate response.Julie lives 32 miles from the city. She drove home from the city at a constant rate of 60 mph along the highway. At the exit 2 miles from her home, she realized she had left her purse at the department store. She immediately returned to the department store at a rate of 60 mph. Write an absolute-value function to represent Julie's distance from home as she drove home from the city.
What will be an ideal response?
Find the probability of the event.If two 12-sided dice are rolled, what is the probability that both numbers are even?
A. 
B. 
C. 
D. 
Check the following addition. If the answer is incorrect, give the correct answer.
1736
A. Incorrect; should be 1836 B. Correct C. Incorrect; should be 1734 D. Incorrect; should be 1738
Find the first term and the common ratio of the geometric sequence.an = 11n/2
A. a1 = 
, r = 11n/2
B. a1 = 
, r = 11
C. a1 = 
, r = 
D. a1 = 11, r = 