Combine like terms. Then write the polynomial in descending order of powers.-6y9 + 8y8
A. 2y9
B. Cannot be simplified
C. 2y8
D. 2y17
Answer: B
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Solve.How long will it take for the population of a certain country to triple if its annual growth rate is 5%? (Round to the nearest year.)
A. 60 years B. 22 years C. 1 year D. 10 years
Perform the indicated operation.Add (3x4 + 5x3 - x2 - 6x + 7) and (2x4 - 5x + x2 - 3x3)
A. 5x4 + 8x3 +2x2 - 11x + 7 B. 5x8 + 2x6 + x4 - 11x2 + 7 C. 5x4 + 2x3 - 11x + 7 D. x4 + 2x3 + 11x + 7
Graph f as a solid line and f-1 as a dashed line in the same rectangular coordinate space. Use interval notation to give the domain and range of f and f-1.f(x) = x3 - 2
A. 
f domain = (0, ?); range = (-2, ?)
f-1 domain = (-2, ?); range = (0, ?)
B. 
f domain = (-?, ?); range = (-?, ?)
f-1 domain = (-?, ?); range = (-?, ?)
C. 
f domain = (-?, ?); range = (-?, ?)
f-1 domain = (-?, ?); range = (-?, ?)
D. 
f domain = (-?, ?); range = (-?, ?)
f-1 domain = (-?, ?); range = (-?, ?)
Perform the indicated operation and simplify. : (3 - 2y)³
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