Solve the polynomial inequality.x4 - 3x3 ? 85x2 - 159x - 1080
A. [-8, 9]
B. (-8, -3) ? [5, 9]
C. [-8, -3] ? [5, 9]
D. [-8, -3] ? (5, 9)
Answer: C
Mathematics
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Determine all critical points for the function.f(x) = x2 + 18x + 81
A. x = 0 B. x = 9 C. x = -9 D. x = -18
Mathematics
Find the potential function f for the field F.F = 
A. f(x, y, z)= ln 
B. f(x, y, z) = 
- 
+ 
C. f(x, y, z) = 
D. f(x, y, z) = ln (y - x - z)
Mathematics
Solve using matrices. x + y + z = 2 x - y + 5z = 163x + y + z = 8
A. (-3, 2, 3) B. (2, -3, 3) C. (3, -3, 2) D. (2, 3, -3)
Mathematics
Change the logarithmic expression to an equivalent expression involving an exponent.log24 = x
A. 42 = x B. x2 = 4 C. 4x = 2 D. 2x = 4
Mathematics