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OpenStudy (anonymous):
let the function f be defined by f(x)=2x. which of the following expressions is equivalent to f(5t)? A: 2t B: 5t C: 7t D:10t E: 25t
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OpenStudy (anonymous):
Your answer is D. Heres why: When it says f(5t) it means that within that equation, "x" is equal to "5t" so just plug in 5t wherever you see "x" f(5t) = 2(5t) f(5t) = 10t
OpenStudy (anonymous):
thank you:)
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