Identify the curve as simple, closed, both, or neither.

A. Simple
B. Closed
C. Both
D. Neither


Answer: C

Mathematics

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Solve the problem.The resistance R produced by wiring resistors of R1  and R2  ohms in parallel can be calculated from the formula If R1  and R2  are measured to be 3 ohms and 4 ohms respectively and if these measurements are accurate to within 0.05 ohms, estimate the maximum possible error in computing R.

A. 0.015 B. 0.020 C. 0.031 D. 0.026

Mathematics

Find the area of the surface generated when the given curve is revolved about the x-axis.  y =  +   on  

A.
B.
C.
D.

Mathematics

Solve the problem.A window washer accidentally drops a bucket from the top of a 144-foot building. The height h of the bucket after t seconds is given by   When will the bucket hit the ground?

A. -3 sec B. 9 sec C. 3 sec D. 48 sec

Mathematics

Write the expression in the standard form a + bi.5i5(1 + i3)

A. 5 - 5i B. 5 + 5i C. -5 - 5i D. -5 + 5i

Mathematics