Simplify the given expression. (3x2 + 5x + 11) + (4x2 – 15x – 2)

Step-by-step explanation:

Given that:

=(3x2 + 5x + 11) + (4x2 – 15x – 2)

By opening brackets we get:

=

Now adding like terms: constants into constants and variabe with same power of x into each other:

=

I hope it will help you!

7

step-by-step explanation:

i'm assuming you need to figure out how many campers go into each tent.

i got the answer by:

24+4=28

28/4=7  

whole numbers.

step-by-step explanation:

we are given the average monthly rainfall (in millimeters) model r(m) for the years 1900-2009 as a function of the month number m.

as we can see m is taken for the number of months for years 1900-2009.

we know that number of months can't be a negative number or decimal number or a fraction.

so, the number of months could be only positive whole numbers.

therefore, whole numbers is more appropriate for the domain of r.