What is a zero of the function f(x) = 5x-20

Can someone check my answer? you

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.

Which number line represents the solution set for the inequality -1/2x> 24?