Algebra-1

Question Analysis
This question tests the student's ability to solve for the initial value in an exponential function given a specific point on the graph.

Key Concept Explanation
The core expression of an exponential function is (b > 0; b ≠ 1), where is the initial value, is the base, and is the independent variable. The value of can be determined by substituting known values of and into the equation.

Step-by-step Solution
1. Substitute and into the function

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