nsheeks0356 nsheeks0356
  • 03-02-2021
  • Mathematics
contestada

A function is given below. f ( x ) = 3 x 2 − 5 x What is the value of f ( − 4 ) ?

Respuesta :

xKelvin
xKelvin xKelvin
  • 03-02-2021

Answer:

[tex]f(-4)=68[/tex]

Step-by-step explanation:

We are given the function:

[tex]f(x) = 3x^2 - 5 x[/tex]

And we want to find f(-4).

So, we will substitute every x for -4. This yields:

[tex]f(-4)=3(-4)^2-5(-4)[/tex]

Evaluate:

[tex]f(-4)=3(16)-(-20)=48+20=68[/tex]

So, f(-4) = 68.

Answer Link
kymmie000 kymmie000
  • 03-02-2021

Answer:

26

Step-by-step explanation:

(3*2) + (-5*-4)

6 + 20 = 26

Answer Link

Otras preguntas

Nearly all physics problems will use the unit m/s^2 for acceleration. Explain why the seconds are squared. Why isn't the unit given as m/s, as it is for speed
what is the time 10 minutes before noon
Why were Europeans interested in exploration in the fifteenth and sixteenth centuries?
What is the inequality for the question 3x-2<10
What does the color of a star determine
Southern colonies were founded mostly for cultural reasons. social reasons. economic reasons. religious reasons.
this spelling word has an s blend at the end
A fern grows sporangia under its fronds. What is the next step in its life cycle?
AB←→ and CD←→ are parallel. If EF = a units, what is the measure of GH¯¯¯¯¯?
What is 1,537 x 242?