Find the relative extrema of the function, if they exist.s(x) = -x2 - 16x + 80
A. Relative maximum at (-8, 144)
B. Relative maximum at (8, 144)
C. Relative minimum at (16, 80)
D. Relative maximum at (-16, 80)
Answer: A
Mathematics
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A. y = ± 
B. y = ± 
C. x = ± 
D. x = ± 
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Graph the inequality.y ? 
A. 
B. 
C. 
D. 
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Add.(-9x9 - 4x7 + 8x4 - 3) + (8x8 + 7x4 - 9x) + (-3x7 - 4x4 - 9x + 7)
A. -9x9 + 8x8 - x7 + 15x4 - 18x + 4 B. -x9 - x7 + 11x4 + 4 C. -9x9 + 8x8 - 7x7 + 15x4 + 4 D. -9x9 + 8x8 - 7x7 + 11x4 - 18x + 4
Mathematics
Solve the triangle. Round lengths to the nearest tenth and angle measures to the nearest degree.a = 8, b = 9, C = 123°
A. c = 14.9, A = 27°, B = 30° B. c = 20.7, A = 25°, B = 32° C. c = 17.8, A = 29°, B = 28° D. no triangle
Mathematics