Specify the domain of the function.f(x) = 
A. x ? -4, x ? -4, x ? 4
B. x > 0
C. All real numbers
D. x ? -4, x ? -4, x ? 4
Answer: D
Mathematics
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If row 5 of a matrix [C] is multiplied by -3 and then added to row 6 of [C], then the correct notation is Row+(-3,[C],6,5). Decide whether the statement is true or false.
What will be an ideal response?
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Use a protractor to measure the angle.
A. 80° B. 50° C. 40° D. 130°
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Solve the problem.The number of gallons of water in a swimming pool t minutes after the pool has started to drain is 
How fast is the water running out at the end of 14 minutes?
A. 600 gal/min B. 1800 gal/min C. 900 gal/min D. 300 gal/min
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Simplify.
A. 
B. 
C. 6x
D. 12x
Mathematics