Which statement is true about the diagram

Which expression is equivalent to? assume x > 0 and y > 0.

The amount of money, in dollars, in an account after t years is given by a = 1000(1.03)^t. the initial deposit into the account was $_^a0 and the interest rate was _a1% per year. only enter numbers in the boxes. do not include any commas or decimal points^t. the initial deposit into the account was $__^a0 and the interest rate is % per year.

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is