12345678910dm
12345678910dm 12345678910dm
  • 04-07-2015
  • Mathematics
contestada

If f(x) = 2x2 − 10, find f(5).

90

10

7.5

40

Respuesta :

fiona16 fiona16
  • 04-07-2015
if you mean 2x^2 (squared) - 10, then all you have to do is replace x with 5.

f(5) = 2(5)^2 - 10
= 2 (25) - 10
= 50 - 10
f(5) = 40
Answer Link
logo88
logo88 logo88
  • 04-07-2015
f(x)= 2x² -10
f(5)= 2(5)²-10

f(5)= 40
Answer Link

Otras preguntas

Nick Carraway thinks everyone suspects himself of one of the cardinal virtues: Nick thinks he has honesty. Which of the four virtues do you think he's talking a
Which two statements are the reasons that the Constitution limits federal powers?
-3(2x-5)+3x+7=? COMBINE LIKE TERMS
The black bear from the western mountains was seen rummaging through my trash cans. What is the ADJECTIVE phrase in the sentence? Please help me
Find the additive inverse of 3x−6
multiplying polynomialshelp me pliss Wich the correct answer​
-8/5 X= 56solvexjgzjfxgkhkufxhxkhxgykxhlxhlx​
This is a story I am writing! . If you can, please tell me any feedback. I haven't picked out a title. So If you can leave suggestions :D
please answer the two questions on the photo
can anyone just fill in those blanks about something that’s ever happened in Asia will give 10 bucks