Simplify. Assume radicands of square roots are positive.(
)2
A. 16x2
B. 4x
C.
D. 8x
Answer: B
Mathematics
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Solve the differential equation subject to the initial conditions.x2 - 3xy = -x5 sec x tan x; x > 0; x = ? when y = 0
A. y = - - x2 , x > 0
B. y = - - x3 , x > 0
C. y = + x2 , x > 0
D. y = + x3 , x > 0
Mathematics
Solve the problem.For what numbers x, 0 ? x ? 2?, does sin x = -1?
A. ?
B.
C. ,
D. none
Mathematics
Multiply and leave your answer in exponent form.(210)(211)
A. 2110 B. 421 C. 2 D. 221
Mathematics
Evaluate.2 + (-12) - (-14)
A. 4 B. -4 C. 0 D. -24
Mathematics