Find the exact value of the expression.

A. - 
B. - 
C. -2
D. -


Answer: D

Mathematics

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Determine convergence or divergence of the series.

A. Diverges B. Converges

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Graph the damped vibration curve for 0 ? t ? 2?.d(t) = e-t/4? cos t

A.


B.

Mathematics

Use differentiation to determine whether the integral formula is correct.dx = (8x + 3)4 + C

A. No B. Yes

Mathematics

Solve the problem.A projectile is fired from a height of 8.9 feet with an initial velocity of 117 ft/sec at an angle of 47° with the horizontal. The parametric equations for the path of the projectile are x = (117 cos 47°)t, and y = 8.9 + (117 sin 47°)t - 16t2,where x and y are in feet and t is in seconds. Determine the rectangular equation describing the path of the projectile.

A. y = 8.9 + 117x tan 47° -  x2
B. y = 8.9 + x tan 47° -  x2
C. y = 8.9 + 117x tan 47° -  x2
D. y = 8.9 + x tan 47° -  x2

Mathematics