Logarithmic and Exponential Equations
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1) Given A=Pe^rt, with A = 455, P = 5, and r = 0.61, solve for t. Round to the nearest 0.01.
t=__________
2) Solve for r: 8(3^r+1)+4=20
Round to the nearest 0.001.
r=__________
3) Solve for x: 2^5x-4=3^7x+4
Round to the nearest 0.001.
x=________
4) Solve for x: log_7(4x-16)=3
Give an exact answer.
____________
5) Solve for w:log_2(w)+log_2(w+7)=3
The only solution is:
w=__________
6) Solve for y: log_3(2y-3)-log_3(y-4)=1
y=__________.
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Solution Summary
This posting contains the solution to the given algebra problems.
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