These are true or false questions

6. [4 points] "Logarithmic differentiation can only be applied to questions where one or more of the variables are in the exponents of the other variables." Is this statement true or false? 7. [4 points] "When taking the derivative of y = log10 x with respect to x, there's no need to include the term 'In10' in the derivative, because y = log10 x is a special function just like y = In x" Is this statement true or false? 8. [4 points] "Elasticity of demand also demonstrates how price and quantity demanded of a product can be expressed as functions of each other." Is this statement true or false? 9. [4 points] "When x increases, the instantaneous rate of change of the function y = ed increases exponentially just like the function value of y = e" does." Is this statement true or false