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The graphs below show four functions:


Which graph best shows the function f(x) = 5(2)−x to represent the rate at which a radioactive substance decays? (1 point)

Graph B

Graph C

Graph D

Graph A

The graphs below show four functionsWhich graph best shows the function fx 52x to represent the rate at which a radioactive substance decays 1 pointGraph BGraph class=

Respuesta :

Answer: Graph A

Graph A: function f of x equals 5 multiplied by 2 to the power of negative x => f (x) = 5 (2)^-x

Graph B: function f of x equals 5 multiplied by 2 to the power of x => f (x) = 5 (2)^x

Graph C: function f of x equals 10 to the power of x => f (x) = 10^x

Graph D: function f of x equals 10 to the power of negative x => f (x) = 10^-x

 Therefore based on the mathematical interpretations above, only Graph A is similar to the given function. Hence the correct answer is:

Graph A

Answer:

The answer is A

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