Perform the operations and simplify.
?
?
Assume that no denominators are 0.
?
A. ?
B. ?
C. 
D. ?
Answer: C
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Estimate the sum or difference by rounding each number to the nearest hundred. 5,129 7,985+ 3,942
A. 17,100 B. 16,000 C. 18,000 D. 17,000
Solve the problem.The concentration, in parts per million, of a particular drug in a patient's blood x hours after the drug is administered is given by the function, f(x) = -x4 + 11x3 - 24x2 + 54x. How many hours after the drug is administered will it be eliminated from the bloodstream.
A. 15 hours B. 6 hours C. 9 hours D. 8 hours
Write the set using set-builder notation.{. . . , -3, -2, -1, 0, 1, 2, 3, . . .}
A. {x?x is a natural number} B. {x?x is an integer} C. {-3, -2, -1, 0, 1, 2, 3} D. {x?x is an integer greater than -3}
List the critical values of the related function. Then solve the inequality.
- 
? 0
A. -5, - 
, 3; (-?, -5) ? 
B. -5, 3; (-?, -5) ? (3, ?)
C. 
? (3, ?)
D. - 
; 