Decide whether or not the matrices are inverses of each other.
and 
A. Yes
B. No
Answer: B
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Use the graph to evaluate the limit.
f(x)
A. Does not exist B. 0 C. 1 D. -1
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%
Use the circle graph to solve the problem.There are 16,000 students attending the local university. The circle graph shows the percentage of those students who attend different sporting events.
How many students attend Basketball and Baseball games?
A. 6080 students B. 832,000 students C. 8320 students D. 2240 students
The graph of a logarithmic function is shown. Select the function which matches the graph.
A. y = log(x - 1) B. y = 1 - log x C. y = log(1 - x) D. y = log x - 1