Question: Consider the relationship 7r + 4t = 21. a. Write the relationship as a function r = f (t). Enter the exact answer. f (t)

Consider the relationship 7r + 4t = 21. a. Write the relationship as a function r = f (t). Enter the exact answer. f (t) = 3-4/7*t b. Evaluate f (-7). f ( - 7 ) = 5 c. Solve f (t) = 23. t =

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