Determine which of the graphs below represents the following function
y=|x|sin x
?
A. 
B. 
C. 
D. 
E. 
Answer: D
Mathematics
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Find the x- and y-intercepts. If no x-intercepts exist, state so.y = -x2 - 2x - 13
A. 
, (0, 13)
B. No x-intercepts, (0, -13)
C. No x-intercepts, (0, 13)
D. 
, (0, -13)
Mathematics
Graph the system of inequalities.3x + y ? -7x - 2y ? -7
A. 
B. 
C. 
D. 
Mathematics
Solve the problem using matrices.A chemist has prepared two acid solutions, one of which is 6% acid by volume, another 10% acid. How many cubic centimeters of each should the chemist mix together to obtain 50 cm3 of a solution that is 
acid.
A. No solution B. 23 cm3 of 6%; 27 cm3 of 10% C. 50 cm3 of 6%; 50 cm3 of 10% D. 4.08 cm3 of 6%; 45.92 cm3 of 10%
Mathematics
Divide.
A. 216 R 5 B. 213 R 5 C. 216 R 20 D. 213
Mathematics