Use synthetic division to decide whether the given number is a solution of the given equation.9x3 + x2 + 8x - 9; x = 1
A. Yes
B. No
Answer: B
Mathematics
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Simplify the expression.(4x-2)-4
A. 4x8
B.
C.
D.
Mathematics
Use multiplication to check the answer. If an answer is incorrect, find the correct answer.
A. Incorrect; should be 2281 R5 B. Correct C. Incorrect; should be 2276 R3 D. Incorrect; should be 2276 R4
Mathematics
Factor completely.5x3 + 5x2y - 30xy2
A. (5x2 + 10xy)(x - 3y) B. 5x(x - 2y)(x + 3y) C. 5x(x + 2y)(x - 3y) D. (x - 2y)(5x2 + 15xy)
Mathematics
Find the domain and range of the function.f(x) = -7 cot2 x
A. Domain: x ? n?, for all integers n; range [0, ?)
B. Domain: x ? + n?, for all integers n; range [0, ?)
C. Domain: x ? n?, for all integers n; range (-?, 0]
D. Domain: x ? + n?, for all integers n; range (-?, ?)
Mathematics