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

What number did Mendeleev use to arrange
what is the difference between the vedic religion and zoroastrianism
what are 3 main reasons for imperialism?
Gina takes out a loan totaling $5000. The loan has a 5% interest rate that is compounded monthly. What is the total due after 48 months, assuming that she has n
Two cars pass on a straight highway while traveling in opposite directions. One car is traveling 6 miles per hour faster than the other car. After 1.5 hours the
scientist measures the angle x and the distance y between the Sun and moon. Explain how the scientist can use only two measurements to calculate the distance be
what travels through a food chain or web ?
Which statement best describes the amount of catalyst that remains at the end of a reaction?
Can anyone help me on this? I need an exact answer please no guesses
Tamar wants to select an integer that is closer to zero on the number line than -3 is. How many possible choices other than zero does she have?