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Given f(x) = 3x2 + x - 8, find f(-5)

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2 votes

Answer:

62

Explanation:

To find f(-5), we need to substitute x = -5 into the expression for f(x) and evaluate:

f(-5) = 3(-5)^2 + (-5) - 8

Simplifying this expression:

f(-5) = 3(25) - 5 - 8

f(-5) = 75 - 13

f(-5) = 62

Therefore, f(-5) = 62.

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