What is the lower bound of negative 0.4

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

You and a friend went to the movies.you spent half your money on tickets. then you spent 1/4 of the money on popcorn, $2 on candy, and $3 on a soda. if you have $1 left, hiw much money did u take to the movies?

Rewrite the following quadratic functions in intercept or factored form. show your work. f(t) = 20t^2 + 14t - 12