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

In group 13, the only metalloid, boron, is at the very top of the group. Explain why the rest of the group has mettalic behavior but boron doesnt
An ordered pair of real numbers can be represented in a plane called the rectangular coordinate system or the ___________ plane
Frederick is working on a number puzzle and discovers that the product of the two base numbers is exactly twice as large as the sum of those same base numbers.
A _______ is a set of characters that uses the same typeface.
What 6 carbon sugar serves as the primary fuel for metabolism in all living things?
By 1947, the intense rivalry between the soviet union and the united states was being called:
2x+5=10 Solve for x
write three different complex fractions the simplify 1/4? please help!!
What is the difference between a learner’s license and an operator’s license?
A company's prime costs total $4,800,000 and its conversion costs total $8,800,000. if direct materials are $1,900,000 and factory overhead is $5,900,000, then