The number that fits it is 37
I hope this helps!
A function z=f(x,y) has two partial derivatives and y. These derivatives correspond to each of the independent variables and can be interpreted as instantaneous rates of change (that is, as slopes of a tangent line). Similarly, ∂z/∂y represents the slope of the tangent line parallel to the y-axis.
Answer:
99/8
Step-by-step explanation:
Please refer to the attachment
I think its 56 miles per hour.