3 years ago

What does decreasing interval mean?

1 answer:

6 0

Answer:

The section of a parabola that shows a falling curve with decrease in the y values of the graph is known as the decreasing interval of the quadratic function

Step-by-step explanation:

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${2}^{x + 2 } = 9 \times( {2}^{x} ) - 2\\\\2^x \cdot 2^2=9\cdot 2^x-2\\\\(9-4)2^x = 2\\\\2^x=\dfrac{2}{5}\\\\\text{We take the ln.}\\\\xln(2)=ln(2)-ln(5)\\\\x=\dfrac{ln(2)-ln(5)}{ln(2)}=-1.32193...$