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What is the value of when ?
If you want to find to find the value of , you will have to substitute the value in the function. And at last, you will evaluate. After you evaluate, you will get the answer.
Hope this helps!
Answer: f(3) = 7
Explanation:
f(3) = 5(3) - 8
15 - 8
f(3) = 7
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when 
?, you will have to substitute the value in the function. And at last, you will evaluate. After you evaluate, you will get the answer.