In two or more complete sentences, identify the parent function, and describe the transformations that were applied to obtain the graph, f(x)=√2x+6+1.

The parent function is f(x)=√x. This graph has been transformed by a translation left 6 units, a translation up 2 units, and a stretch by a factor of 2. Adding a number at the end of a function results in a vertical translation. Adding a number inside of a function, in this case under the square root, translates the graph horizontally. Multiplying the variable by a number before another operation results in a stretch or shrink of the graph.

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Step-by-step explanation:

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56.6

step-by-step explanation:

the ratio of the perimeters is equal to the scale.

the ratio of the areas is equal to the square of the scale.

34 / 20 = k

a / 19.6 = k²

substituting:

a / 19.6 = (34 / 20)²

a = 19.6 (34 / 20)²

a ≈ 56.6