Factor the binomial completely. If it is prime, say so.4x2 + 25
A. (2x + 5)2
B. (2x + 5)(2x - 5)
C. (2x - 5)2
D. Prime
Answer: D
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Solve.In 1996, an outbreak of a disease infected 17 people in a large community. By 1997, the number of those infected had grown to 29. Find an exponential growth function that fits the data. (Round decimals to three places.)
A. N(t) = 17e0.534t, where t is the number of years after 1997. B. N(t) = 17e5.34t, where t is the number of years after 1996. C. N(t) = 17e0.534t, where t is the number of years after 1996. D. N(t) = 17e5.34t, where t is the number of years after 1997.
Multiply.6z2(7z5 + 7z2 + 7z + 4)
A. 42z10 + 42z4 + 42z + 24 B. 42z7 + 42z4 + 42z3 + 24z2 C. 42z7 + 42z4 + 42z2 + 24 D. 13z4 + 13z + 10
Perform the indicated operation and express the answer in decimal notation.(3 x 102) x (6 x 105)
A. 180,000,000 B. 18,000,000,000 C. 1,800,000,000 D. 18,000,000
Multiply and simplify.
? 
A. 5xy2
B. 5xy
C. xy
D. 5x2y2