Solve the problem.When a particular circuit containing a resistor, an inductor, and a capacitor in series is connected to a battery, the current i (in amperes) is given by i = 20e-3t(e2.6t - e-2.6t) where t is the time (in seconds). Find the time at which the maximum current occurs. Round to the nearest tenth of a second.
A. 0.6 sec
B. 0.5 sec
C. 1.4 sec
D. 1.5 sec
Answer: B
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Solve.An elliptical riding path is to be built on a rectangular piece of property that measures 8 mi by 6 mi. Find an equation for the ellipse if the path is to touch the center of the property line on all 4 sides.A = 8 miB = 6 mi 
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Determine all values for the digit x that make the first number divisible by the second number. If none exist, so state. 43x2 is divisible by 9.
Fill in the blank(s) with the appropriate word(s).
Provide an appropriate response. Solve the quadratic equation using the quadratic formula:x2 - 8x + 6 = 0
A. x = 4 + 1.41i, 4 - 1.41i B. x = -7.16, -0.84 C. x = -4 + 1.41i, -4 - 1.41i D. x = 7.16, 0.84
Find the interval(s) where the function is increasing and the interval(s) where it is decreasing.
?
?
A. Increasing on 
, decreasing on 
B. Increasing on 
C. Increasing on 
, and 
, decreasing on 
D. Increasing on 
, decreasing on 
, and