Respuesta :

You can put 10 in the equation:
-10^2 -3*10 = -100 -30 = -130
Kimiinaa

Answer:

[tex] \boxed{f(10) \: is \: 70}[/tex]

Step-by-step explanation:

[tex]f(x) = { - x}^{2} - 3x[/tex]

:' Question

Find f(10) ?

:' Solution

[tex]f(x) = { - x}^{2} - 3x[/tex]

Substitute x = 10

[tex]f(10) = { (- 10})^{2} - 3(10)[/tex]

[tex]f(10) = 100 - 30[/tex]

[tex]f(10) = 70[/tex]

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