Find the inverse of the invertible matrix.
A. 
B. 
C. 
D. 
Answer: B
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Convert the number to decimal form.8E5twelve (T = 10ten, E = 11ten)
A. 15,468 B. 288 C. 1289 D. 10,980
Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = 
A. Domain: all points in the xy-plane; range: real numbers 0 ? z ? 10; level curves: circles with centers at (0, 0) and radii r, 0 < r ? 10
B. Domain: all points in the xy-plane; range: all real numbers; level curves: circles with centers at 
C. Domain: all points in the xy-plane satisfying x2 + y2 ? 100; range: real numbers 0 ? z ? 10; level curves: circles with centers at (0, 0) and radii r, 0 < r ? 10
D. Domain: all points in the xy-plane satisfying x2 + y2 = 100; range: real numbers 0 ? z ? 10; level curves: circles with centers at (0, 0) and radii r, 0 < r ? 10
Find all points where the function is discontinuous.
A. x = 3 B. None C. x = 0, x = 3 D. x = 0
Solve the polynomial equation.x3 + 27 = 0
A. x = 
, 
± 
B. x = 3, 
± 
C. x = -3, 
+ 
, - 
- 
D. x = -3, 
± 