Question

is the function f(x)=x^3+x even or odd or neither?

Answer 1

odd

Answer 2

look at the powers 3 and 1 3 and 1 are odd so the function is odd

Answer 3

f(x)=x^2+1 is even
f(x)=x^3+x^2 is neither since both exponents are not both even or both odd

Answer 4

2^3 + 2 = 10

(-2)^3 + (-2) = -10

odd by definition if you put in (-x) you get -f(x)
or if you put in -x you get the opposite of the answer than when you put in x

Answer 5

yes you can use formal definition if you want it will be useful later if you plan on taking calculus

Answer 6

thank yyouu

Answer 7

does anybody know why a graph that is symmetric about the x axis cannot be the graph of a function

Answer 8

use the vertical line rule
if you draw a vertical line down the graph and you get 2 intersections, it's not a function
by definition, the one x value of a function can only go to another y value
different x values to can go to the same y value. but same x values cannot have different y values

Answer 9

thankss how do i solve 3x^2+10x-8=0

Answer 10

look at this site
http://tutorial.math.lamar.edu/Classes/Alg/Factoring.aspx
it teaches you have to factor
look at example 3 part e