s953125 s953125

19-04-2022
Mathematics

contestada

f(x)=3x^2+x f(x)=3x 2 +x \text{Find }f(-5) Find f(−5)

Respuesta :

linandrew41 linandrew41

19-04-2022

So the equation given is: [tex]3x^2+x[/tex]

What do we find: f(-5)

To find f(-5), we must plug '-5' into the equation in place of the 'x'

[tex]f(-5) = 3(-5)^2+(-5) = 3 * 25 -5=75-5=70[/tex]

Answer: f(-5) = 70

Hope that helps!

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