Use the multiplication principle to solve the equation.-7x = -35
A. 28
B. 2
C. -28
D. 5
Answer: D
Mathematics
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At what points is the given function continuous?f(x, y, z) = ln(x + y + z - 8)
A. All (x, y, z) such that x + y + z ? 8 B. All (x, y, z) such that x + y + z > 8 C. All (x, y, z) D. All (x, y, z) in the first octant
Mathematics
Use identities to simplify the expression.sin4 w - cos4 w + cos2 w
A. sin2 w B. 0 C. cos2 w D. 1
Mathematics
Write the statement in symbolic form.The set of natural numbers is a subset of the integers.
A. N ? Z B. N ? I C. N ? I D. N ? Z
Mathematics
Identify the intervals where the function is changing as requested.Increasing
A. (0, 3) B. (-?, 0) C. (-1, 0) D. (-?, -1)
Mathematics