The function f is defined by f ( x ) = 25 x + 30 . What is the value

Question

The function f is defined by f ( x ) = 25 x + 30 . What is the value of f x when x = 2 ?

Accepted Answer

Choice C is correct. It&rsquo;s given that the function f is defined by f x = 25 x + 30 . Substituting 2 for x in this equation yields f 2 = 25 2 + 30 , which is equivalent to f 2 = 50 + 30 , or f 2 = 80 . Therefore, the value of f x is 80 when x = 2 . Choice A is incorrect. This is the value of 25 2 , not 25 2 + 30 . Choice B is incorrect. This is the value of 25 + 2 + 30 , not 25 2 + 30 . Choice D is incorrect. This is the value of 25 + 30 2 , not 25 2 + 30 .

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