Find the domain and range of the function.f(x) = -6 - x2
A. D: (-?, ?), R: [-6, ?)
B. D: (-?, -6], R: (-?, ?)
C. D: (-?, ?), R: (-?, ?)
D. D: (-?, ?), R: (-?, -6]
Answer: D
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Solve the problem.Use Newton's Law of Cooling to find the temperature in the following case. A glass of water with a temperature of 5°C is placed in a room with a temperature of 30°C. One minute later the water has warmed to 9°C. After how many minutes does the water have a temperature that is 90% of the ambient temperature?
A. ? 23 min B. ? 15 min C. ? 12 min D. ? 19 min
Solve.The formula S = A
models the value of a retirement account, where 
number of dollars added to the retirement account each year, 
annual interest rate, and 
value of the retirement account after t years. If the interest rate is 11%, how much will the account be worth after 40 years if $1000 is added each year? Round to the nearest whole
number. A. $41,000 B. $646,827 C. $72,142 D. $2,665,036
Match the function with one of the graphs.f(x) = ex - 7
A. 
B. 
C. 
D. 
Find the indicated term or coefficient of the binomial expansion.Find the coefficient of y4 in the expansion of (y + 2)9.
A. 32 B. 126 C. 4032 D. 2016