Олимпиадный тренинг

Задача 28407. Function tab 1


Задача

Темы: Цикл for
Write a program that evaluates the function z(t) when x changes from 4 to 28 in increments of 1.
\(z = 2t^2 - 5.5t - 2\), when \(t = x+2\ ).

Input
You don't need to enter anything from the keyboard.

Imprint 
You need to output z(t)  values ​​for all x values. One pair (x, z) per line. See the example for output format.
 
Examples
# Input Output
1  
x=4 z=37.0
x=5 z=57.5
...
x=27 z=1520.5
x=28 z=1633.0