Solved on Jan 25, 2024

Find the value of xx that makes the exponent of f(x)=2x1f(x)=2^{x-1} zero.

STEP 1

Assumptions
1. We are graphing the function f(x)=2x1f(x) = 2^{x-1}.
2. We want to find the value of xx that makes the exponent zero, which is a key point for graphing the function.

STEP 2

To find the value of xx that makes the exponent zero, we need to solve the equation x1=0x - 1 = 0.

STEP 3

Add 1 to both sides of the equation to isolate xx.
x1+1=0+1x - 1 + 1 = 0 + 1

STEP 4

Simplify both sides of the equation.
x=1x = 1

STEP 5

Check the result by substituting x=1x = 1 back into the exponent of the function.
211=202^{1-1} = 2^0

STEP 6

Recall that any non-zero number raised to the power of 0 is 1.
20=12^0 = 1

STEP 7

Since 20=12^0 = 1, our solution x=1x = 1 is correct. This means that the point (1,1)(1, 1) is on the graph of the function f(x)=2x1f(x) = 2^{x-1}.
The value of xx that makes the exponent zero is x=1x = 1.

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