F(t) = v3t -9.
What is the domain of the function?
Domain:
2

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers

Satchi found a used bookstore that sells pre-owned dvds and cds. dvds cost $9 each, and cds cost $7 each. satchi can spend no more than $45.

Mat bought a phone for $100. he has to pay $30 per mouth. if he has paid $640 in total, how many mouth has he had the phone?