Find the determinant of the matrix and determine if the matrix is invertible 
?
What will be an ideal response?
0, not invertible
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Find the radius of convergence of the power series.
A. 5 B. 0 C. ? D. 10
Solve the problem.Find the area of the parallelogram determined by the points P(7, -5, 5), Q(1, -9, 10), 
and 
A. 
B. 
C. 3
D. 
Given the set sketched on the number line, identify the type of interval (open, closed, half-open, open infinite, closed infinite), write the set using set-builder notation, and write the set using interval notation.
A. open infinite interval; {x|x > 1}; (1, ?) B. closed infinite interval; {x|x ? 1}; [1, ?) C. closed infinite interval; {x|x ? 1}; (-?, 1] D. open infinite interval; {x|x < 1}; (-?, 1)
Determine whether the relation represents a function. If it is a function, state the domain and range.{(5.44, 8.54), (5.444, -8.5), (
, 0), (0.29, -5)}
A. function
domain: {5.44, 5.444, 
, 0.29}
range: {8.54, -8.5, 0, -5}
B. function
domain: {8.54, -8.5, 0, -5}
range: {5.44, 5.444, 
, 0.29}
C. not a function