Solve.8x - 16 - x2 < 0
A. (?, 4)
B. (4, ?)
C. (-?, 4) ? (4, ?)
D. (-4, 4)
Answer: C
Mathematics
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Find fx, fy, and fz.f(x,y,z) = xe(x2 + y2 + z2)
A. fx = 2x2e(x2 + y2 + z2); fy = xye(x2 + y2 + z2); fz = 2xze(x2 + y2 + z2) B. fx = (1 + 2x2) e(x2 + y2 + z2); fy = xe(x2 + y2 + z2); fz = xe(x2 + y2 + z2) C. fx = (1 + 2x2) e(x2 + y2 + z2); fy = xy2e(x2 + y2 + z2); fz = xz2e(x2 + y2 + z2) D. fx = (1 + 2x2) e(x2 + y2 + z2); fy = 2xye(x2 + y2 + z2); fz = 2xze(x2 + y2 + z2)
Mathematics
Find an equation of the line passing through the two given points.(-8, -9) and (-4, -9)
A. x = -9 B. y = x - 9 C. y = 0 D. y = -9
Mathematics
Evaluate the determinant.
A. 1 B. 4 C. 8 D. -4
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.
A. -2x6y6 B. 2x4y4 C. -2x4y4 D. 4x4y4
Mathematics