Find the inverse of the matrix.
A. 
B. 
C. 
D. No inverse
Answer: B
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This graph is a __________ graph.
A. histogram B. frequency polygon C. bar D. line
Find the area of the shaded region. Round your answer to one decimal place.
?
Fill in the blank(s) with the appropriate word(s).
Given that f(x) = sin x, g(x) = cos x, and h(x) = tan x, evaluate the given function. The point (x, 
), on the circle 
, also lies on the terminal side of an angle ? in standard position. The point 
, on the circle 
, also lies on the terminal side of an angle ? in quadrant IV. h(? - ?)
A. 
B. 
C. 
D. 
The sizes of two matrices A and B are given. Find the sizes of the product AB and the product BA, whenever these products exist.A is 2 × 1, and B is 1 × 2.
A. 2 × 2; 1 × 1 B. 1 × 1; 2 × 2 C. AB does not exist; 1 × 1 D. 2 × 2; BA does not exist.