Find the real solutions of the equation.
= 4
A. 
B. 
C. {16}
D. {4}
Answer: D
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At what points is the given function continuous?f(x, y) = ex+y
A. All (x, y) satisfying x + y ? 0 B. All (x, y) ? (0, 0) C. All (x, y) in the first quadrant D. All (x, y)
Use the Comparison Test to determine if the series converges or diverges.
A. converges B. diverges
Factor completely.x7 + 8x6 - 9x5
A. x5(x + 9)(x - 1) B. x5(x - 9)(x - 1) C. x5(x + 9)(x + 1) D. x9(x2 + 8x - 9)
Provide an appropriate response. A street light is to be erected near the top of a pole. The top brace from the light to the pole is 4 feet long and the bottom brace is 5.5 feet long. The braces are attached on the pole 2 feet apart. What is the angle made between the pole and the top brace (lower side of the pole)?
A. 33.9° B. 56.1° C. 16.2° D. 129.8°