b=145 degrees (corresponding angles)
a+145= 180 (straight angles)
a = 180-145
a =35
An exponential function can represent growth or decay.
The graph represents an exponential growth function is given by
.
An exponential function is represented as:

Where:
a represents any constant value.
b represents the growth or decay rate of the function
When the value of b is greater than 1, then the exponential function represents growth
Graph shown below represents an exponential growth function.
Hence, the graph representing an exponential growth function is graph traced by
.
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The correct answer is:
R= c/2(3.14)