Given the excitations x[n] and the impulse responses h[n], find closed-form expressions for and graph the system responses y[n].

(a) x[n] = u[n] , h[n] = n (7/8)?u[n]

(b) x[n] = u[n] , h[n] = (4/7) ?[n] ? (?3/4)? u[n]




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The basic premise of reinforcement theory is that behavior followed by desired outcomes

will be repeated.

Indicate whether the statement is true or false.

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The temperature difference between the bubble point and the dew point of a zeotropic refrigerant is called:

A) Subcooling. B) Superheat. C) Glide. D) Saturation.

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When part-time 4WD vehicles in 4WD are engaged in a turn, which of these occur?

A) The rear wheels travel faster and farther than the front wheels
B) The rear wheels turn faster and farther than the front wheels
C) The front wheels will have reduced toe-out on turns
D) The front wheels travel faster and farther than the rear wheels

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What device may be used to ensure that air is flowing through a duct before an electric strip heater is energized?

What will be an ideal response?

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