# Geoff week 2.pdf - Southern New Hampshire University 2-3...

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9/12/20, 4:04 PMSouthern New Hampshire University - 2-3 Module Two Problem SetPage 1 of 18[PRINT]MAT-140-X1355 20EW1 Precalculus, 2-3 Module Two Problem Set Jennifer Lobe, 9/12/20 at 4:07:49 PM EDTQuestion1:Score 2.5/5Identify whether the statement represents an exponential function.The value of a coin collection has increased by annually over the last years .Your responseCorrect responseYes, the statement represents an exponentialfunction.Yes, the statement represents anexponential function.Grade:3/3.0Show your work and explain, in your own words, how you arrived at your answer.The value of the coin collection increasing by 3.25% annually means that the valueincreases by a power of 1.0325, which represents exponential growth. f(x)=v*(1.0325)^20v=Valuex=number of yearsSince it increased it's an exponential function.Grade:0/3.0Total grade: 1.0×3/6 + 0.0×3/6 = 50% + 0%Feedback:By definition, an exponential function has a constant as a base and an independent variable asexponent. Thus, yes, the statement represents an exponential function.Question2:Score 3/33.25%20!""
9/12/20, 4:04 PMSouthern New Hampshire University - 2-3 Module Two Problem SetPage 2 of 18 For each year , the number of trees in Forest A is represented by the functi. In a neighboring forest, the number of trees in Forest B is represented by function Assuming the population growth models continue to represent the growth of the forests, whforest will have a greater number of trees after years? By how many?Round your answer to the nearest tree.A(t) = 74(1.025)tB(t) = 94(1.029)t15. t
9/12/20, 4:04 PMSouthern New Hampshire University - 2-3 Module Two Problem SetPage 3 of 18Question3:Score 3/3 Use the compound interest formula, After a certain number of years, the value of an investment account is represented by expression . What is the value of the account?.Round your answer to two decimal places.The value of the account is Your responseCorrect response16713.0216,713.02±0.01Grade:1/1.0.Total grade: 1.0×1/1 = 100%Feedback:Using a calculator, we find.Thus, the value of the account is .Question4:Score 3/3 In the year 1985, a house was valued at . By the year 2005, the value had appreciated. What was the annual growth rate between 1985 and 2005? Assume that the vacontinued to grow by the same percentage. What was the value of the house in the year 2010?