Calculate the work done by the force F along the path C.F = ti + 
j + k ; C: r(t) = e4ti + e4tj + (7t2 + t)k , -1 ? t ? 1
A. W = e4 + e-4 + 16
B. W = 2
C. W = 16
D. W = e4 + e-4 + 2
Answer: D
Mathematics
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Provide an appropriate response.Use the law of sines to solve the triangle ABC if a = 19, c = 15, and C = 105°. If there are two possibilities, find both solutions. Round sides to four significant digits and angles to the nearest 0.1°.
A. A = 49.7°, B = 25.3°, b = 8.406 B. A = 133.0°, B = 47.0°, b = 6.714 C. A = 133.0°, B = 47.0°, b = 6.714; A = 49.7°, B = 25.3°, b = 8.406 D. no solution
Mathematics
Solve the inequality. Express your answer using interval notation.8 < 2x ? 12
A. (4, 6]
B. [4, 6)
C. [-6, -4)
D. (-6, -4]
Mathematics
Solve the equation.5(2x - 1) = 20
A. 
B. 
C. 
D. 
Mathematics
Write the equation in logarithmic form.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics