Simplify the expression.-2 - (7 - 8t)
A. -9 + 8t
B. -5 - 8t
C. 9 + 8t
D. 5 - 8t
Answer: A
Mathematics
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Find the gradient field F of the function f.f(x, y, z) = (x7y2 - y5z3)e-z2
A. F = 7x6y2e-z2i + (2x7y - 5y4z3)e-z2j + (3 - 2z2)y5z2e-z2k B. F = 7x6y2e-z2i + (2x7y - 5y4z3)e-z2j + y2ze- z2[y3z(2z2 - 3) - 2x7]k C. F = 7x6i + (5y4 - 2y)j + 2z4e-z2k D. F = 7x6y2i + (5y4z3 - 2x7y)j + (2z2 - 3)y5z2k
Mathematics
Decide if the statement is true or false.
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A. True B. False
Mathematics
Provide an appropriate response.Monthly payments are the fastest way to pay off a home mortgage.
A. True B. False
Mathematics
Perform the indicated operation.Add (6a5 + 2a4) and (3a5 + 5a4).
A. 9a10 + 7a8 B. 9a5 + 7a4 C. 16a9 D. 16a18
Mathematics