Determine whether or not the set is well defined.{x | x is a mystery book in the library}

A. Well defined
B. Not well defined


Answer: B

Mathematics

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Find the gradient field F of the function f.f(x, y, z) = z sin (x + y + z)

A. F = -cos xi - cos yj + (sin z - z cos z)k B. F = z cos(x + y + z)i + z cos(x + y +z)j + (sin(x + y + z) + zcos(x + y + z))k C. F = -z cos(x + y + z)i - z cos(x + y +z)j + (sin(x + y + z) - zcos(x + y + z))k D. F = cos xi + cos yj + (sin z + z cos z)k

Mathematics

Evaluate the function as indicated.Find f(5.1) when f(x) = -17.

A. -86.7 B. 17 C. -17 D. 5.1

Mathematics

The price of an item in 2004 was $2.4. Use an inflation rate of 4% to calculate its price in 2020. Round to the nearest cent.

a.  $4.50 b.  $4.54 c.  $4.52 d.  $4.55 e.  $5.44

Mathematics

Solve the SSA triangle. Indicate whether the given measurements result in no triangle, one triangle, or two triangles. Solve the resulting triangle. Round angle measures to the nearest degree and lengths to the nearest tenth when necessary.B = 104°, b = 3, a = 24

A. A = 51°, C = 24°, c = 29 B. No triangle exists. C. A = 53°, C = 24°, c = 31 D. A = 52°, C = 24°, c = 27

Mathematics