Write the inequality in interval notation.x ? -7
A. (-7, ?)
B. (-?, -7)
C. (-?, -7]
D. [-7, ?)
Answer: C
Mathematics
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Find the work done by F over the curve in the direction of increasing t.F = 2yi + 
j + (3x + 3z)k; C: r(t) = ti + t2j + tk, 0 ? t ? 2
A. W = 22 + 20
B. W = 
+ 20
C. W = 
+ 
D. W = 0
Mathematics
Express the number in scientific notation.2500
A. 2.5 × 10-2 B. 2.5 × 10-3 C. 2.5 × 103 D. 2.5 × 102
Mathematics
Perform the indicated operations and write the resulting polynomial in descending order of degree.(9.0j3 - 7.6j2 - 3.3j - 2.9) - (-1.8j3 + 6.2j2 - 9.0j - 5.5)
A. 10.8j3 + 13.8j2 + 5.7j + 2.6 B. 7.2j3 + 13.8j2 + 5.7j + 2.6 C. 10.8j3 - 13.8j2 + 5.7j + 2.6 D. 10.8j3 - 13.8j2 - 5.7j + 8.4
Mathematics
Solve the equation.15p4 + 12p2 = -28p3
A. 
B. 
C. {0}
D. 
Mathematics