5754566379 5754566379

29-05-2024
Mathematics

contestada

Given f, of, x, equals, minus, x, squared, plus, x, plus, 20f(x)=−x
2
+x+20, find f, of, minus, 3f(−3)

Respuesta :

regalmocha17 regalmocha17

29-05-2024

Answer:

f(-3) = 8

Step-by-step explanation:

Given:

[tex]f(x) = -x^2 + x + 20[/tex]

Determine f(-3).

[tex]f(-3) = -(-3^2) + (-3)+20[/tex]

Solve.

[tex]f(-3) = -9 - 3 + 20 \\f(-3) = -12 + 20 \\f(-3) = 8[/tex]

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