By graphing the function, visually estimate its domain and range.f(x) = 3x + 10
A. Domain: (-?, ?)s ; range: [0, ?)
B. Domain: [0, ?) ; range: (-?, ?)
C. Domain: (-?, ?); range: (-?, ?)
D. Domain: [0, ?); range: [0, ?)
Answer: C
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Find the dB gain of an amplifier if the output voltage is 30 volts when the input voltage is 0.5 volt. Round your answer to the nearest hundredth.
A. 3.08 dB B. 59.08 dB C. 1.78 dB D. 35.56 dB E. None of these
Multiply or find the special product.
?
?
A. 
B. 
C. 
D. 
E. 
Solve.At Allied Electronics, production has begun on the X-15 Computer Chip. The total revenue function is given by 
and the total cost function is given by 
where x represents the number of boxes of computer chips produced. The total profit function, P(x), is such that 
Find P(x).
A. P(x) = -0.3x2 + 54x - 15 B. P(x) = 0.3x2 + 49x - 45 C. P(x) = 0.3x2 + 54x - 30 D. P(x) = -0.3x2 + 49x + 15
Solve the problem. Round your answer to two decimal places.Hooke's Law for an elastic spring states that the distance a spring stretches variesdirectly as the force applied. If a force of 15 pounds stretches a certain spring 
then how much will a force of 
stretch the spring?
A. 3 in. B. 18 in. C. 5 in. D. 135 in.