For the given functions f and g, find the requested function and state its domain.f(x) = 
; g(x) = 
Find f + g.
A. (f + g)(x) = 
; 
? 
B. (f + g)(x) = 
; 
? 
C. (f + g)(x) = 
; (-?, 0) ? (0, ?)
D. (f + g)(x) = 
; 
? 
{x|x ? 
}
Answer: D
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This model is of the form f(x) = mx + b. Determine what m and b signify.The population, in millions, of a city t years after 1990 is given by 
A. 2.7 million is the population of the city in 1990 and 0.10 million is the decrease per year in the population . B. 0.10 million is the population of the city in 1990 and 2.7 million is the increase per year in the population . C. 2.7 million is the population of the city in 1991 and 2.8 million is the population in 1992. D. 2.7 million is the population of the city in 1990 and 0.10 million is the increase per year in the population .
Solve the equation.-7x - 15 = -4x - 6
A. -3 B. -5 C. 5 D. 3
Find the principal square root of the number. Approximate the answer to the nearest hundredth whenever appropriate.36
A. -6, 6 B. 1296 C. 12 D. 6
Prepare a probability distribution for the experiment. Let x represent the random variable, and let P represent the probability.Two marbles are drawn from a bag in which there are 4 red marble and 2 blue marble. The number of blue marbles is counted.
A. 
B. 
C. 
D. 