Write the equation for a parabola with a focus at ( 7, 2) and a directrix at y = -2 y = ?
1 answer:
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See below for the changes when the exponential function is transformed
<h3>How to determine the effect of a</h3>The exponential functions are given as:
An exponential function of the above form is represented as:
See attachment for the graph of the four functions.
<u>When a is large</u>
This is represented by
In this case, the curve of the base form is vertically stretched and it moves closer to the y-axis
<u>When a is small</u>
This is represented by
In this case, the curve of the base form is vertically stretched and it moves away from the x-axis
<u>When a is negative</u>
This is represented by
In this case, the curve of the base form is vertically stretched and is reflected across the y-axis.
Read more about function transformation at:
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