SOLUTION: For Problems 5-7, use f(x) = x³-3 and g(x) = 2x
5. Find (f+g)(x).
6. Evaluate f(4) and g(4).
7. Evaluate (f+g)(4).
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Question 1208334: For Problems 5-7, use f(x) = x³-3 and g(x) = 2x
5. Find (f+g)(x).
6. Evaluate f(4) and g(4).
7. Evaluate (f+g)(4).
Found 2 solutions by josgarithmetic, math_tutor2020:
Answer by josgarithmetic(39629) (Show Source): You can put this solution on YOUR website!
Really just a matter of knowing the notation, substituting, and simplification.
Answer by math_tutor2020(3817) (Show Source): You can put this solution on YOUR website!
See this previous solution
https://www.algebra.com/algebra/homework/word/numbers/Numbers_Word_Problems.faq.question.1208333.html
Notice that 2x is changed to 2^x.
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