Answer:
(x^4 - 9·x + 5·x^7) + (5·x - 10 + 3·x^4 - 2·x^2)
x^4 - 9·x + 5·x^7 + 5·x - 10 + 3·x^4 - 2·x^2
5·x^7 + x^4 + 3·x^4 - 2·x^2 - 9·x + 5·x - 10
5·x^7 + 4·x^4 - 2·x^2 - 4·x - 10
Answer:
{x | x<3 or x>1}
Step-by-step explanation:
x+2<5
x<5-2
x< 3
x-7> -6
x> -6+7
x>1
symbol U means union
Answer:
D.
Step-by-step explanation:
it should be the sales tax because you pay a little bit more.
Answer:
A dependent variable
Step-by-step explanation:
is a variable whose value will change depending on the value of another variable, called the independent variable. Dependent variables are also known as outcome variables, left-hand-side variables, or response variables.
