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) = 
; {x|x ? 0}
C. (f + g)(x) = 
; 
D. (f + g)(x) = 
; 
Answer: C
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Find the slope and the y-intercept of the line determined by the given equation.
?
?
A.
slope: 
; y-intercept: 
B.
slope: 
; y-intercept: 
C.
slope: 
; y-intercept: 
D.
slope: 
; y-intercept: 
E.
slope: 
; y-intercept: 
Find the limit.Let 
f(x) = 5 and 
g(x) = 6.Find 
.
A. 121
B. 11
C. 
D. 
Solve the problem.An object is moving so that its displacement (in ft) from the equilibrium position is given by 
Find the velocity when 
A. -0.33 ft/s B. 1.1 ft/s C. -0.29 ft/s D. 0.29 ft/s
Find the constant of proportionality k, and write the linear function relating the two variables.Suppose that y varies directly with x. When x = 3.5, then y = 0.7.
A. k = 0.2; y = 0.2x B. k = 0.7; y = x - 2.8 C. k = 0.7; y = 0.7x D. k = 5; y = 5x