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Bezzdna [24]
3 years ago
10

If f(n) = 3n+ 5 , find f(-3). soln, 3n+ 5​

Mathematics
2 answers:
CaHeK987 [17]3 years ago
7 0
Hope it helps! If it is, Brainliest please!

Amanda [17]3 years ago
4 0

Answer: f(-3) = -4

Concept:

Here, we need to understand the idea of evaluation.  

When encountering questions that gave you an expression with variables, then stated: "If x = a, y = b, z = c" (a, b, c are all constants), this means you should substitute the value given for each variable back to the expression.

Solve:

<u>Given expression</u>

f(n) = 3n + 5

<u>Substitute values into the expression</u>

f(-3) = 3(-3) + 5

<u />

<u>Simplify by multiplication</u>

f(-3) = -9 + 5

<u>Simplify by addition</u>

f(-3) = \boxed{-4}

Hope this helps!! :)

Please let me know if you have any questions

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