please explain in steps

Section 11.4: Problem 5 (1 point) Suppose that f(:, y) is a smooth function and that its partial derivatives have the values, f,(-8, 1) = -1 and fy(-8, -1) = -3. Given that S(-8, -1) = -9, use this information to estimate the following values: Estimate of (integer value) / (-8, 0): Estimate of (integer value) /(-7, 1): Estimate of (integer value) /(-7. 0):]