nickjmattson
nickjmattson nickjmattson
  • 14-06-2017
  • Mathematics
contestada

Give an example of an even function and explain algebraically why it is even.

Respuesta :

lajsdpoafji
lajsdpoafji lajsdpoafji
  • 14-06-2017
y=x^4+4
it's an even function b/c if you input (-x) for x, f(x) would remain the same. 

y=(-x)^4+4
y=x^4+4

Answer Link
konrad509
konrad509 konrad509
  • 14-06-2017
[tex]f(x)=\dfrac{x^2}{\cos x}\\\\ f(-x)=\dfrac{(-x)^2}{\cos (-x)}=\dfrac{x^2}{\cos x}[/tex]

It's even, because [tex]f(x)=f(-x)[/tex]
Answer Link

Otras preguntas

If the angles of a triangle are in ratio 2:3:7 find the measure of all the angles of the triangle
What are the 4 main products for southeast
What does imagery mean
At a store , 24 bottles of water and 6 bags of chips costs $23.40. Five bottles of water and two bags of chips cost $6.60. What is the cost of a single bottle o
The decline in medieval trade was caused by
Can someone help me in probability?Amanda wrote a computer program that generates two random numbers between one and eleven.When she runs it,what is the probabi
What is %15 of $35.15 What is %15 of $27.00
List the perfect squares between 100 and 500 that are even numbers.
My daughter needs a synonym for tired and all the word she has is problem , story and banquet
How did New England's physical geography help the growth of industries?