Please help!

MY NO Calculate the output value that corresponds to the given input value of the function. (Round answers to three decimal places when appropriate. Note: Even though th without the use of technology, the authors intend for you to complete the activity using the technology you will be using in the remainder of the course so that you be functions of that technology.) t(x) = -7x2+ 4x; X = -8, x = 2 +( -8) = t ( 2 ) = Submit