Find the balance in the account after the given period. $7000 principal earning 7% compound annually, 7 years

The balance after 7 years will be $___

(I'm sorry if it's confusing, I worded the question word for word)

Heather is writing a quadratic function that represents a parabola that touches but does not cross the x-axis at x = -6. which function could heather be writing? fx) = x2 + 36x + 12 = x2 - 36x - 12 f(x) = -x + 12x + 36 f(x) = -x? - 12x - 36