Factor the expression.2x4 - 8x2
A. 2x2(x2 - 4)
B. 2x(x - 4)
C. 2x2(x - 4)
D. 2x(x2 - 4)
Answer: A
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Provide an appropriate response.Starting with a tone having a frequency of 112 cycles per second, find the frequency of the tone that is four octaves higher.
A. 1792 cps B. 896 cps C. 12,544 cps D. 448 cps
Provide the requested response.Choose the correct viewing rectangle to match the settings: 
by 
.
A. 
B. 
C. 
D. 
Evaluate the function for the indicated input and interpret the result.The table lists the number of persons voting in an election by election year and sex, for a small community. 
Let this table be a partial numerical representation of a function f, where 
computes the number of persons who voted in the year x whose sex is y. Evaluate 
Interpret the result.
A. f (1992, Male) - f (1992, Female) = 170 In the year 1992, 170 more men voted than women. B. f (1992, Male) - f (1992, Female) = -170 In the year 1992, 208 more women voted than had previously voted in 1988. C. f (1992, Male) - f (1992, Female) = 161 In the year 1992, 161 more men voted than women. D. f (1992, Male) - f (1992, Female) = 208 In the year 1992, 208 more men voted than women.
Solve the problem.In a certain coastal basin, the sea water contains 3.2 grams of salt per 1000 milliliters of water. How many grams of salt would be in 5 liters of the sea water?
A. 0.16 grams B. 1600 grams C. 160 grams D. 16 grams