Help? Write an exponential function for the set of points. (Image Attached)

Mathematics

1 answer:

Nina [5.8K]3 years ago

3 0

Answer:

1. Plug values into table inside calculator.

You can acess table by pressing [STAT] > Edit...

2. Use ExpReg function to generate equation.

[STAT] > CALC > scroll down to ExpReg

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$l-length\\w-width\\\\\text{The formula of an area of a rectangle:}\ V=lw\\\\\text{We have the area}\ 540\ m^2\to lw=540\\\\\text{New rectangle}\\\\l-5-length\\w+5-width\\\\\text{We have the area}\ 540\ m^2+35\ m^2=575\ m^2\to (l-5)(w+5)=575\\\\\text{Therefore we have the system of equation:}\\\\\left\{\begin{array}{ccc}lw=540&\to w=\dfrac{540}{l}&(*)\\(l-5)(w+5)=575&&(**)\end{array}\right\\\\\text{Substitute}\ (*)\ \text{to}\ (**)$

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