Solve by the most appropriate method.121x3 = x
A. 0, 
B. ± 
C. 0, ± 11
D. 0, ± 
Answer: D
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You are given the population and the growth rate as of 2000 for a hypothetical country. Assume that the growth rate remains the same from year to year. Using an exponential function to model population growth, determine the size of the population in the specified year.Population = 1257 million, growth rate = 1.4 percent, year: 2019
A. 1614.4 million B. 1659.9 million C. 1257.0 million D. 1637.0 million
Solve the problem.The equation 
represents the total daily profit of 
TV sales. The variable y represents the total profit, in tens of dollars, of selling x 
TVs. How many 
TVs must be sold to achieve maximum daily profit? What is the maximum profit?
What will be an ideal response?
Solve the problem.To convert a Fahrenheit temperature to Celsius, one formula to use is 
where F is the Fahrenheit temperature (in degrees) and C is the Celsius temperature. What is the Celsius temperature (to the nearest degree) when Fahrenheit temperature is 59°?
A. 113°C B. 138°C C. 29°C D. 15°C
Solve the problem.Suppose that a weight on a spring has an initial position of 
inches and a period of 
Find a function 
that models the displacement of the weight.
A. s(t) = -5 cos (2?(0.4)t) B. s(t) = -10 cos (2?(2.5)t) C. s(t) = -10 cos (2?(0.4)t) D. s(t) = -5 cos (2?(2.5)t)