Solve the inequality.-3x2 + 5x - 5 ? 0
A. ? x ? 5
B. -3 ? x ? -
C. All real numbers
D. No solutions
Answer: C
Mathematics
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Calculate the flux of the field F across the closed plane curve C.F = y2i + x3j; the curve C is the closed counterclockwise path formed from the semicircle 0 ? t ? ?, and the straight line segment from (-5, 0) to (5, 0)
A. -
B. 0
C.
D. 125
Mathematics
Use a calculator to evaluate the expression. Round the answer to three decimal places.-(-1.57)-2
A. -0.406 B. 2.465 C. 0.406 D. -2.465
Mathematics
Use technology to calculate det A.A =
A. -32 B. -18 C. -182 D. -10
Mathematics
Multiply. ?
A.
B.
C.
D.
Mathematics