Write the polynomial in descending powers of the variable with no missing powers.5y2 - 7y4 + 7
A. -2y + 7
B. -2y6 + 0y5 + 0y4 + 0y3 + 0y2 + 0y + 7
C. 7y4 + 0y3 + 5y + 7
D. -7y4 + 0y3+ 5y2 + 0y + 7
Answer: D
Mathematics
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Factor the sum or difference of two cubes.27 - 125x3
A. (3 - 5x)(9 + 15x + 25x2) B. (27 - 5x)(1 + 15x + 25x2) C. (3 - 5x)(9 + 25x2) D. (3 + 5x2)(9 - 15x + 25x2)
Mathematics
Find the domain of the function.f(x) = 
A. (-?, 2) ? (2, ?) B. (-?, 0) C. (0, ?) D. (-?, -2) ? (-2, ?)
Mathematics
Multiply. Write the answer in descending order and combine like terms.(x + 4)(x2 - x + 7)
A. x3 + 5x2 + 11x + 28 B. x3 + 28 C. x3 + 3x2 + 3x + 28 D. x3 + 3x2 + 28
Mathematics
Solve the problem.If f(x) = ln x, find f(e18 ln 11).
A. ln 11 B. 18 ln 11 C. 11 ln 18 D. e11
Mathematics