Find the domain of the composite function f ? g.f(x) =
; g(x) = 
A. {x
B. {x
C. {x
D. {x
Answer: C
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A city was incorporated in 2004 with a population of 25,000. It is expected that the population will increase at a rate of 2% per year. The population n years after 2004 is given by the sequence
Find the area.
A. 345 cm2 B. 45 cm2 C. 225 cm2 D. 161 cm2
Convert the angle in radians to degrees.-
A. -1° B. -30° C. 1° D. -30?°
Find the solution by graphing the system of equations.Juanita is having her yard landscaped. She obtained an estimate from two landscaping companies. Company A gave an estimate of $220 for materials and equipment rental plus $55 per hour for labor. Company B gave and estimate of $310 for materials and equipment rental plus $40 per hour for labor. We can represent this situation with the system of linear equations c = 220 + 55h c = 310 + 40hwhere c is the total cost and h is the number of hours of labor. Find the number of hours of labor for the two companies to have the same total cost.
A. 9 hr B. 6 hr C. 5 hr D. 10 hr