Write the binomial expansion of the expression.(-3x2 - y)5
A. -243x10 + 405x8y - 270x6y2 + 90x4y3 - 15x2y4 + y5
B. -243x10 - 405x8y + 270x6y2 - 90x4y3 + 15x2y4 - y5
C. + 243x10 + 405x8y + 270x6y2 + 90x4y3 + 15x2y4 + y5
D. -243x10 - 405x8y - 270x6y2 - 90x4y3 - 15x2y4 - y5
Answer: D
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Solve.x2 + y2 = 91 x = y2 - 1
A. (10, -
), (10, 
), (-9, -2i
), (-9, 2i
)
B. (-10, -i
), (-10, i
), (9, -2
), (9, 2
)
C. (-10, -3), (-10, 3), (9, -
), (9, 
)
D. (-10, -3i), (-10, 3i), (9, -
), (9, 
)
Sketch the graph of f(x). Determine the domain, range, and the equation of the horizontal asymptote of the function.f(x) = e-x + 2
A. Domain: (-?, ?), range: (2, ?)
Horizontal asymptote: y = 2
B. Domain: (-?, ?), range: (2, ?)
Horizontal asymptote: y = 2
C. Domain: (-?, ?), range: (0, ?)
Horizontal asymptote: y = 0
D. Domain: (-?, ?), range: (2, ?)
Horizontal asymptote: y = 2
Solve the radical equation, and check all proposed solutions.
= x + 8
A. {8} B. {-7} C. {7} D. {-6}
Write as the sum and/or difference of logarithms. Express powers as factors. logb
What will be an ideal response?