tnelson tnelson

27-05-2014
Mathematics

Answered

Terri's teacher gives her the equation
3(5)^x=127-2x, and tells her that she will not know how to solve it algebraically. Explain how Terri could use a graph to solve the equation. Find the value of x to the nearest tenth

Answer :

kate200468 kate200468

27-05-2014

[tex]f(x)=3\cdot5^x\\\\ g(x)=127-2x\\\\x\approx2.3043\ \ \ \ \ \ \ \rightarrow\ \ \ \ solution\ in\ annex[/tex]

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