Name the conic.
A. parabola
B. ellipse
C. hyperbola
D. circle
Answer: A
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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
Solve the problem. Round your answer, if appropriate.Electrical systems are governed by Ohm's law, which states that V = IR, where V = voltage, I = current, and R = resistance. If the current in an electrical system is decreasing at a rate of 4 A/s while the voltage remains constant at 20 V, at what rate is the resistance increasing (in ?/sec) when the current is 24 A? (Do not round your answer.)
A. 
?/sec
B. 
?/sec
C. 
?/sec
D. 
?/sec
Convert the measurement as indicated. Round to the nearest tenth, if necessary.31.48 L to gallons
A. 8.2 gal B. 33.4 gal C. 29.9 gal D. 119.0 gal
Find an equation for the line with the given properties.Perpendicular to the line 5x - y = 5; containing the point (0, 1)
A. y = - 
x + 1
B. y = 
C. y = 
x + 1
D. y = - 
x + 5