Solve the logarithmic equation for the unknown x. log2(3x - 1) + log2 8 = 5 X = Need Help? Read It Watch ItSolve the logarithmic equation for the unknown X. log4(x) = 10 Need Help? _' 3. [17.14 Points] DETAILS SCOLALGCC1 4.5.017. 0/100 Submissions Used Solve the exponential equation for the unknown x. [Round your answer to four decimal places.) 5X=3X+2 x = Z Need Help? __ Solve the logarithmic equation for the unknown x. 2 109 25 X = 1 X = Need Help? Read It Watch It [-/7.14 Points] DETAILS SCOLALGCC1 4.5.032. 0/100 Submissions Used Solve the logarithmic equation for the unknown x. (Round your answer to five decimal places. In 7x = -4 X = Need Help? Read It Watch ItLet's solve the logarithmic equation log 3 + log[x 2} = log X. (a) First, we combine the logarithms to get the equivalent equation = log X. (b) Next, we write each side in exponential form to get the equivalent equation (c) Now we find X =: . Need Help? _' [47.14 Points] DETAILS SCOLALGCC1 4.5.008. 0H 00 Submissions Used Solve the exponential equation for the unknown X. (Round your answer to three decimal places.) 8-10X=6 Z Need Help? ' ' Aviel invests $5,000 in a highyield uninsured certicate of deposit that pays 3.5% interest per year, compounded quarterly. (a) Find a formula for the amount A of the certificate after t years. Am =S (b) What is the amount after 2 years? (Round your answer to the nearest cent.) $: (c) How long will it take for his investment to grow to $7,000? (Round your answer to one decimal place.) : vr Need Help? _ [47.14 Points] DETAILS SCOLALGCC1 4.5.012. 0/100 Submissions Used Solve the exponential equation for the unknown X. [Round your answer to four decimal places.) 92X +4 = 500 Need Help? * * Let's solve the exponential equation 2ex = 50. {a} First, we isolate ex to get the equivalent equation|:| - (b) Next, we take In of each side to get the equivalent equation . (c) Now we use a calculator to find x = E . (Round your answer to three decimal places.) Need Help? _' 1. [47.14 Points] DETAILS SCOLALGCC1 4.5.038. 01'100 Submissions Used Solve the logarithmic equation for the unknown X. log5(x + 2) log5[x 2) = 3 X = Z Need Help? _ _ 12. [47.14 Points] DETAILS SCOLALGCC1 4.5.034. 0(100 Submissions Used Solve the logarithmic equation for the unknown x. (Round your answer to three decimal places.) 16 log5[7x + 9) = 8 Need Help? 13. [47.14 Points] DETAILS SCOLALGCC1 4.5.021. OH 00 Submissions Used Solve the exponential equation algebraically and graphically. 21X: (a) algebraically [Round your answer to three decimal places.) (b) graphically __________ ________ __________ In 2003 the United Nations estimated that the population of Ethiopia was about 70.7 million, with an annual growth rate of 2.9%. Assume that this rate of growth continues. (a) Find the yearly growth factor a. (b) Find an exponential growth model f(r) = Car for the population 1' years since 2003. [Enter C in units of millions.) W) = (c) How long will it take for the population to double? (Round your answer to one decimal place.) :3" ((1) Use the model found in part (b) to predict the year in which the population will reach 110 million. {Round your answer to the nearest year.) Q IInna-I u..|..4') E