Determine the size of the matrix.
A. 2 × 3
B. 9
C. 6 × 6
D. 3 × 3
Answer: D
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Solve the problem.How long would it take $6000 to grow to $18,000 at 7% compounded continuously? Round your answer to the nearest tenth of a year.
A. 15.7 years B. 16.2 years C. 15.9 years D. 14.5 years
Express the given function as a composite of functions f and g such that y = f(g(x)).y = 
A. f(x) = 
, g(x) = x2 - 4
B. f(x) = 
, g(x) = - 
C. f(x) = 
, g(x) = x - 4
D. f(x) = 
, g(x) = x2 - 4
Find the value of r and determine if a correlation exists at the indicated level of significance.
?? = 0.05
A. r = -0.8216; Correlation does not exist. B. r = 0.8242; Correlation does not exist. C. r = -0.8242; Correlation does not exist. D. r = -0.8242; Correlation exists.
Perform the indicated operation and simplify. Assume all variables represent positive real numbers.
A. 2xy6
B. 2xy5
C. 2xy9
D. 4xy7