Determine the domain of the function. Express your answer in interval notation.f(x) = 
A. [2, ?)
B. (-?, -2)
C. (-?, ?)
D. (-?, 2)
Answer: C
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The graphs show the position s, velocity v = ds/dt, and acceleration a = d2s/dt2 of a body moving along a coordinate line as functions of time t. Which graph is which?
A. A = position, C = velocity, B = acceleration B. B = position, A = velocity, C = acceleration C. C = position, B = velocity, A = acceleration D. B = position, C = velocity, A = acceleration
Convert the following.232 ounces to pounds and ounces
A. 16 lb and 8 oz B. 15 lb and 8 oz C. 14 lb and 8 oz D. 14 lb and 9 oz
The ratio of working-age population to the elderly in the United States (including projections after 2000) is given by
?
?
with t = 0 corresponding to the beginning of 1995.
?
Round the answers to two decimal places, if necessary.
?
What will be the ratio at the beginning of 2005?
?
__________
?
At the beginning of 2020?
?
__________
What will be an ideal response?
Use the Gauss-Jordan method to find A-1, if it exists.A = 
A. 
B. 
C. 
D. Does not exist