document.write( "Question 691374: 1) suppose that g(x) = 5^x - 3.
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document.write( "a) what is g(0)?
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document.write( "b) What point is on the graph of g?
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document.write( "c) If g(x) = 622, what is the value of x?\r
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document.write( "2) Solve the logarithmic equation: 4e^(y+1) = 5\r
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document.write( "3) Write the given expression as a single logarithm:
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document.write( " 21(log3)(third root of w)+(log3)(9w^2)-(log3)9\r
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document.write( "Completely lost and have no idea on how to do these. Help please. \n" );
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Algebra.Com's Answer #426713 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! 1) suppose that g(x) = 5^x - 3. \n" ); document.write( "a) what is g(0)? \n" ); document.write( "g(0) = 5^0 - 3 \n" ); document.write( "any term with an exponent of 0 is equal to 1, therefore \n" ); document.write( "g(0) = 1 - 3 \n" ); document.write( "g(0) = -2 \n" ); document.write( ": \n" ); document.write( "b) What point is on the graph of g? \n" ); document.write( "Let x = 2 \n" ); document.write( "g(2) = 5^2 - 3 \n" ); document.write( "g(2) = 25 - 3 \n" ); document.write( "g(2) = 22 \n" ); document.write( "Point 2, 22 is on the graph \n" ); document.write( ": \n" ); document.write( "c) If g(x) = 622, what is the value of x? \n" ); document.write( "x = 622 \n" ); document.write( ": \n" ); document.write( "2) Solve the logarithmic equation: \n" ); document.write( "4e^(y+1) = 5 \n" ); document.write( "divide both sides by 4 \n" ); document.write( "e^(y+1) = 5/4 \n" ); document.write( "e^(y-1) = 1.25 \n" ); document.write( "Using nat logs \n" ); document.write( "ln(e^(y-1) = ln(1.25) \n" ); document.write( "The log equiv of exponent \n" ); document.write( "(y-1)*ln(e) = ln(1.25) \n" ); document.write( "the ln of e is one so we have \n" ); document.write( "y - 1 = .223 \n" ); document.write( "y = .223 + 1 \n" ); document.write( "y = 1.223 \n" ); document.write( "Check this on your calc: enter: 4*e^(1.223-1), results: 4.999 ~ 5 \n" ); document.write( ":\r \n" ); document.write( "\n" ); document.write( "3) Write the given expression as a single logarithm: \n" ); document.write( "21(log3)(third root of w)+(log3)(9w^2)-(log3)9 \n" ); document.write( "Assume you mean: \n" ); document.write( " \n" ); document.write( "the exponent equiv \n" ); document.write( " \n" ); document.write( "Adding logs is multiply, subtracting logs is divide \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |