Multiply.5 × 100
A. 5000
B. 600
C. 50
D. 500
Answer: D
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Evaluate the integral by making a substitution and then using a table of integrals. dx
A. (2x + 3) sin-1
+
+ C
B. (2x+3) sin-1
+
+ C
C. (x + 3) tan-1
-
+ C
D. (x + 2) sin-1
-
+ C
Determine whether the circle with the given equation is symmetric to either axis or to the origin.x2 + y2 = 121
A. Symmetric to both axes B. Symmetric to origin C. Symmetric to both axes and origin D. Symmetric to x-axis and origin
Factor completely.8 - t3
A. (2 + t)(4 - t2) B. (2 - t)(4 + t2) C. (2 + t)(4 - 2t + t2) D. (2 - t)(4 + 2t + t2)
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 = 25e-3t(e2.6t - e-2.6t) where t is the time (in seconds). Find the time at which the maximum current occurs.
A. 1.4 s B. 0.6 s C. 1.5 s D. 0.5 s