Find the voltage gain of an amplifier whose Vin = 0.5 V and VO = 26.1.
a. 1.72 dB
b. 26.1 dB
c. 34.4 dB
d. 40.2 dB
e. 50.5 dB
c. 34.4 dB
Mathematics
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Evaluate using the order of operations.4 ? 8(-1)4 - 42 ÷ 7
A. 38
B. 26
C. 0
D. - 
Mathematics
Match the equation with the appropriate graph.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Write the complete factored form of the polynomial f(x).f(x) = 3x4 + 11x3 - 7x2 - 11x + 4
A. f(x) = 3
(x - 1)(x + 1)(x + 4)
B. f(x) = 3
(x - 1)(x + 1)(x - 4)
C. f(x) = 3
(x - 1)(x + 1)(x + 5)
D. f(x) = 
(x - 1)(x + 1)(x + 4)
Mathematics
Solve the problem.Tracy can wallpaper 5 rooms in a new house in 40 hours. Together with her trainee they can wallpaper the 5 rooms in 23 hours. How long would it take the trainee working by herself to do the job?
A. 40 hr B. 95 hr C. 110 hr D. 55 hr
Mathematics