Find the domain of the given function.f(x) = 
A. all real numbers x where x ? 6
B. all real numbers x where x ? -6
C. all real numbers x where x > 
D. all real numbers x where x > 6
Answer: B
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Factor.25n2 + 68n + 49
A. (5n + 7)(5n - 7) B. (5n - 7)2 C. (5n + 7)2 D. Not possible
Find the LCM of the set of numbers.30, 80
A. 240 B. 110 C. 80 D. 2400
The proprietor of Qwik Film Lab recently purchased $12,400 of new film-processing equipment. She expects that this investment, which has a useful life of 4 yr, will yield returns of $4,400 at the end of the first year, $5,200 at the end of the second year, $4,300 at the end of the third year, and $3,100 at the end of the fourth year. Find the internal rate of return on the investment. ? Round your answer to the nearest hundredth, if necessary. ? __________ % per yr
Fill in the blank(s) with the appropriate word(s).
Match the equation to its graph.x2 = 5y
A. 
B. 
C. 
D. 