Choose the graph that matches the equation. 2x - y = -2
A. 
B. 
C. 
D. 
Answer: C
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For the functions f(x) and g(x), determine the domain of (f - g)(x) (the difference of f and g).f(x) = 
, g(x) = 
A. {x ? x is a real number} B. {x ? x is a real number and x ? 3 and x ? 2} C. {x ? x is a real number and x ? 3} D. {x ? x is a real number and x ? -3 and x ? -2}
Find a formula for the inverse of the function described below.32° Fahrenheit = 0° Celsius. A function that converts temperatures in Celsius to those in Fahrenheit is 
.
A. f-1(x) = 
x + 32
B. f-1(x) = x + 32
C. f-1(x) = 
(x - 32)
D. f-1(x) = 
(x + 32)
Solve the problem.Use the mathematical model for power gain, G = log 
10, where P0 is the output power in watts and Pi is the input power in watts. Determine the power gain G, in decibels, for an amplifier with an output P0 of 19 watts and an input Pi of 1.1 watts. Round to five decimal places if necessary.
A. 12.37361 dB B. 13.37361 dB C. 12.52853 dB D. 13.20146 dB
Plot the point.(-2, 6)
A. 
B. 
C. 
D. 