Solving 3x3 Equations

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.

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.

What is the inverse of the function f(x) = 2x + 1?