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Thanks to an online typing course, Bridgette has become a much faster typist. The function f(x)f(x) gives how many words she can type in xx seconds.\newlineWhat does f(45)=68f(45) = 68 tell you?\newlineChoices:\newline(A) Bridgette can type 4545 words in 6868 seconds.\newline(B) Bridgette can type 6868 words in 4545 seconds.

Full solution

Q. Thanks to an online typing course, Bridgette has become a much faster typist. The function f(x)f(x) gives how many words she can type in xx seconds.\newlineWhat does f(45)=68f(45) = 68 tell you?\newlineChoices:\newline(A) Bridgette can type 4545 words in 6868 seconds.\newline(B) Bridgette can type 6868 words in 4545 seconds.
  1. Given function f(x)f(x): We are given the function f(x)f(x), which represents the number of words Bridgette can type in xx seconds. We need to interpret what f(45)=68f(45) = 68 means in the context of Bridgette's typing speed.
  2. Evaluate at x=45x = 45: The function f(x)f(x) is evaluated at x=45x = 45, which means we are looking at how many words Bridgette can type in 4545 seconds. The result of this evaluation is f(45)=68f(45) = 68.
  3. Interpretation of f(45)=68f(45) = 68: Since f(45)=68f(45) = 68, this tells us that Bridgette can type 6868 words in 4545 seconds. This matches one of the given choices.

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