Which of the following equations represents the linearised version of the following power model?

R = βx^(5k)

Which of the following equations represent the linearised version of the following saturation-growth model?

λ = Mx/(p+x)

Which of the following equations represents the linearised version of the following exponential model?

α = θe^(σT/5)

When fitting a non-linear model, which statement is always true?

What is the value of k after the following MATLAB commands?

k = 0;
j = 1;
for i = 1:5
    while j < i
        k = k + 1;
    end
end