Find all the real zeros of 
.
A. x = 
, 4
B. x = 
, 
C. x = 
, -2
D. x = 
, 
E. x = 
, -4
Answer: A
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Perform the indicated operation. Write the answer without exponents.
A. 20,000 B. 20,000,000 C. 200,000 D. 2,000,000
Subtract.
A. 919 B. 623 C. 721 D. 723
Solve the problem.Given f(x) = 
, find f(9).
A. 54 B. -3 C. 3 D. 15
Solve the problem.There are 1,447,966 active dentists living in a certain country. If 79.8% of these dentists are male, find (i) the percent of dentists who are female and (ii) the number of dentists who are female. Round to the nearest whole number.
A. (i) 79.8% female dentists; (ii) 1,155,477 female dentists B. (i) 20.2% female dentists; (ii) 292,489 female dentists C. (i) 79.8% female dentists; (ii) 29,248,913 female dentists D. (i) 20.2% female dentists; (ii) 29,248,913 female dentists