Will give a brainliest if ur correct !

find the domain of the following function.

f(x)= 3 if -4 ≤ x < 2 and 2x if 2 ≤ x ≤ 10

a.
all real numbers
b.
all real numbers except for 2
c.
-∞ < x ≤ 10
d.
-4 ≤ x ≤ 10

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

If a is a nonzero real number then the reciprocal of a is

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?