Kneorr03 Kneorr03

16-02-2022
Mathematics

contestada

f(x) = 3x² + x
Find f(-5)

Respuesta :

MathWiz0001 MathWiz0001

16-02-2022

Step-by-step explanation:

Substitute f(-5) into the function:

[tex]f(-5)=3(5)^{2}+5[/tex]

Simplify Exponent:

[tex]f(-5)=3(25)+5[/tex]

Multiply:

[tex]f(-5)=75+5[/tex]

Add:

[tex]f(-5)=80[/tex]

Answer Link

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