# SOLUTION: Okay I have 3 questions that if you can solve them and show the work please!!! 1) log(x+2)+log(x-1)=1 2) write and exponential function whose graph passes through (2,6) and (6,8)

Algebra ->  Algebra  -> Exponential-and-logarithmic-functions -> SOLUTION: Okay I have 3 questions that if you can solve them and show the work please!!! 1) log(x+2)+log(x-1)=1 2) write and exponential function whose graph passes through (2,6) and (6,8)      Log On

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 Algebra: Exponent and logarithm as functions of power Solvers Lessons Answers archive Quiz In Depth

 Click here to see ALL problems on Exponential-and-logarithmic-functions Question 307045: Okay I have 3 questions that if you can solve them and show the work please!!! 1) log(x+2)+log(x-1)=1 2) write and exponential function whose graph passes through (2,6) and (6,8). 30 Write a power function whose graph passes through (2,4)and (6,8). Please as soon as possible. Thank you!Answer by user_dude2008(1861)   (Show Source): You can put this solution on YOUR website!1) log(x+2)+log(x-1)=1 log[(x+2)(x-1)]=1 (x+2)(x-1)=10^1 (x+2)(x-1)=10 x^2+x-2=10 x^2+x-12=0 (x+4)(x-3)=0 x+4=0 or x-3=0 x=-4 (ignore) or x=3 only answer is x=3 2) y=a*b^x 6=a*b^2 a=6/b^2 y=a*b^x 8=(6/b^2)*b^6 8=6b^4 b=(8/6)^(1/4) b = 1.07456993 a=6/b^2 a=6/(1.07456993)^2 a=5.19615244 equation is y = 5.19615244*1.07456993^x 3) Is equation supposed to be linear, quadratic, cubic, etc?