Question

X=7-3t+8t² a-? U⁰-? U(5)-?

Answer 1

To find the values of the expressions you provided, we need more information about the variables and functions you mentioned.

1. You mentioned the expression "X = 7 - 3t + 8t²." Is "X" a variable, and are you looking for a specific value of "X" for a given value of "t"? If so, please provide the value of "t" you want to substitute into the equation.

2. You mentioned "a-?" without any context. Are you referring to a specific variable or equation? Please provide more details or clarify your question.

3. You mentioned "U⁰-?" and "U(5)-?." It seems like you are referring to a function "U(t)" and you want to find the values of the function at certain points. However, without information about the function "U(t)" or its definition, it's not possible to provide specific answers. Please provide more details about the function or its properties.

Once you provide more information or clarify your question, I'll be happy to help you further.