Respuesta :

Gasaqui

Answer:

(-5)f(x)= -10x^2.

Step-by-step explanation:

If f(x) = 2x^2

We need to find (-5)f(x) = (-5) (2x^2) = -10(x^2) = -10x^2.

To solve this problem you just need to multiply (-5) by "2" which is the factor that multiplies the term "x^2"

kudzordzifrancis

ANSWER

[tex]- 5 \bullet \: f(x) = - 10 {x}^{2} + 20[/tex]

EXPLANATION

The given function is

[tex]f(x) = 2 {x}^{2} - 4[/tex]

[tex] - 5 \bullet \: f(x) = - 5( 2 {x}^{2} - 4)[/tex]

Expand the parenthesis using the distributive property to get,

[tex]- 5 \bullet \: f(x) = - 10 {x}^{2} + 20[/tex]

Therefore if [tex]f(x) = 2 {x}^{2} - 4[/tex], then [tex]- 5 \bullet \: f(x) = - 10 {x}^{2} + 20[/tex]

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