Provide an appropriate response.What is echelon form?
A. The coefficient portion of the augmented matrix has 1's on the diagonal from upper right to lower left and 0's below the 1's.
B. The coefficient portion of the augmented matrix has 1's on the diagonal from upper left to lower right and 0's above the 1's.
C. The coefficient portion of the augmented matrix has 1's on the diagonal from lower right to upper left and 0's below the 1's.
D. The coefficient portion of the augmented matrix has 1's on the diagonal from upper left to lower right and 0's below the 1's.
Answer: D
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Determine if the function is even, odd, or neither.f(x) = 
A. Even B. Odd C. Neither
Graph the ellipse and locate the foci.
+ 
= 1
A. foci at (
, 0) and (-
, 0)
B. foci at (
, 0) and (-
, 0)
C. foci at (0, 
) and (0, -
)
D. foci at (2
, 0) and (-2
, 0)
Write the compound inequality as an absolute value inequality. Do not simplify.6x ? -7 or 6x ? 7
A. 
? 7
B. 
? 7
C. 
? -7 or 
? 7
D. -7 ? 
? 7
Provide an appropriate response.A statement in a college catalog reads: "No person shall register for Mathematics 180 who has not had four years of mathematics in high school, and who has not obtained a score of 25 or higher on the placement test." Bob registered for Math 180. What is a valid conclusion using the premises in the statement from the college catalog and the statement that follows?
What will be an ideal response?