10-09-2024
Mathematics

High School

What is the value of the function evaluated at \( f(-3) \) for \( f(x) = 2x^2 + 5x - 9 \)?

A. -6
B. -42
C. 42
D. 12

Answer :

abidemiokin abidemiokin

18-02-2024

Answer:

f(-3) = -6

Step-by-step explanation:

f(x) = 2x^2+ 5x - 9

We are to find f(-3)

f(-3) = 2(-3)^2+ 5(-3) - 9

f(-3) = 2(9)-15 - 9

f(-3) = 18 -15 -9

f(-3) = 18-24

f(-3) = -6

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