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

Which equation has the same y-intercept as y=4x-3?a. y-3=x              b. y=8x+3    c. 3-y=4x      d. y=-3+8xWhich of the following is the equation of the line
(10y^3+20y^2+55y)/5y
Find Domain of the functionsquare root of (x-8)/x(x-9)
Which equation has the same y-intercept as y=4x-3?a. y-3=x              b. y=8x+3    c. 3-y=4x      d. y=-3+8xWhich of the following is the equation of the line
how is mass transit in cities a possible solution tk urban air pollution?
find an equivalent expression without parentheses -(50x-15y+15)=
Marika and Freddy sold 70 homes for Ron Realty. If Marika sold 2.5 times as many homes as Freddy, how many homes did each sell?
Scarcity is the condition of not having enough goods and services to satisfy everyone's?
How is it possible for Mercury to have frozen ice ?
Can someone use the word delta in a sentence