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f(x) = 4x^2 + 7x – 18 Find f(-9)
Question
f(x) = 4x^2 + 7x – 18
Find f(-9)
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Mathematics
3 years
2021-09-01T13:39:49+00:00
2021-09-01T13:39:49+00:00 2 Answers
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Answers ( )
Given :
To Find :
Solution :
As, we have f(x) = 4x² + 7x – 18, so to find f(- 9) substitute value of x as (-9).
Hence, value of f(- 9) = 243.
Answer:
f(-9) = 243
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Algebra I
Step-by-step explanation:
Step 1: Define
f(x) = 4x² + 7x – 18
f(-9) is x = -9
Step 2: Evaluate