shandobson25 shandobson25
  • 01-07-2021
  • Mathematics
contestada

If f(x) = 3x^2 + 4x-5, then f(-2) =

Respuesta :

mistressofdark
mistressofdark mistressofdark
  • 01-07-2021

f(x) = 3x² + 4x - 5

So, f(-2)

= 3(-2)² + 4(-2) - 5

= 3(4) + (-8) - 5

= 12 - 8 - 5

= 4 - 5

= -1

Answer Link
jay40891
jay40891 jay40891
  • 01-07-2021

Answer:

-1

Step-by-step explanation:

[tex]f(x) = 3x {}^{2} + 4x - 5 \\ f( - 2) = 3( - 2) {}^{2} + 4( - 2) - 5 \\ = 12 - 8 - 5 \\ = - 1[/tex]

Answer Link

Otras preguntas

What is the mean of 87, 93, 86, 90, and 84?
The length of a diagonal of a cube with edge length 25cm
Which of the following organisms can perform alcoholic fermentation? (1) yeast, (2) humans, (3) bacteria. a. 1 and 2 b. 1 and 3 c. 1 only d. 1, 2, and 3
By the mid-1700s, the largest city in the colonies was (A) New York (B) Boston (C) Philadelphia (D) Charleston (E) Wilmington, Delaware
Find the value of x.  Round to nearest hundredth if necessary.
What is the mean of 87, 93, 86, 90, and 84?
“The genetic code is universal.” Explain this statement.
What are the 3 features of a typical seigneurie
Can somoene help me with this question??How might the history of the U.S. have been different if the original thirteen states had been guaranteed a perpetual ma
Which of the following organisms can perform alcoholic fermentation? (1) yeast, (2) humans, (3) bacteria. a. 1 and 2 b. 1 and 3 c. 1 only d. 1, 2, and 3