If
at which of the following x values is the function both decreasing and concave up?

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.

Which expression is rational? 6. , square root two, square root 14, square root 49

Find the value of x. give reasons to justify your solutions! l, m ∈ kn