Find the sum.-2.1 + (-11.5)
A. 13.6
B. -13.6
C. 9.4
D. -9.4
Answer: B
Mathematics
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Find the work done by F over the curve in the direction of increasing t.F = -5yi + 5xj + 4z4k; C: r(t) = cos ti + sin tj, 0 ? t ? 8
A. W = 80 B. W = 40 C. W = 160 D. W = 0
Mathematics
Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions.Asymptotes y = 
x, y = - 
x; one vertex is (11, 0)
A. 
- 
= 11
B. 
- 
= 1089
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Graph the pair of functions on the same plane. Use a dashed line for g(x).f(x) = x2 , g(x) = x2 - 2
A. 
B. 
C. 
D. 
Mathematics
Write the solution set to the inequality in interval notation.x > -9
A. (-?, -9) B. [-9, ?) C. (-?, -9] D. (-9, ?)
Mathematics