Answer :
The result of the function f(x, y) = -x + y² - 2, when x = 83 and y = 31, is f(x, y) = 795.
First, let's substitute s and t values into the expressions for x and y.
For x, when s = 1, we have:
x = 82 + s
x = 82 + 1
So, x = 83.
Next, for y, when t = -1, we have:
y = 28 - 3t
y = 28 - 3*(-1)
So, y = 28 + 3 = 31.
Then, we substitute the values of x and y into the equation for the function f(x, y) = -x + y² - 2.
We put x = 83 and y = 31:
f(x, y) = -(83) + 31² - 2
f(x, y) = -83 + 961 - 2
Then,
f(x, y) = 878 - 83
Finally,
f(x, y) = 795
So, the result of the function f(x, y) = -x + y² - 2, when x = 83 and y = 31, is f(x, y) = 795.
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