Find an expression for the inverse DTFT x[n] of
X(F) = [rect (10F) ? ?1(F) ] ? (1/2) [ ?1(F ? 1/4) + ?1(F + 1/4) ]
and evaluate it at the discrete time n = 2.
Using multiplication-convolution duality, 
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Steel is used for reinforcement because it _____.
a. will not corrode b. has nearly the same temperature expansion and contraction rate as concrete c. has a lower temperature expansion and contraction rate than concrete d. is inexpensive
Which tire inflation information should be checked to determine the proper tire inflation pressure?
A) 32 PSI in all tires B) The maximum pressure as stated on the sidewall of the tire C) Cold placard inflation pressure D) Any of the above
Lactation peaks about the middle of a normal lactation curve.
Answer the following statement true (T) or false (F)
An emitter follower amplifier has a voltage gain of
A) less than one B) one C) more than one D) zero