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12:52 PM Thu Oct8 ?43'l%l 6 uoguelph.mobius.c|oud Question4: Score 0/1 Differentiate the following function with respect to X : 79*5X F X = ( ) 9X25 d_F : dX Your response Correct response No answer '5/('9*XA2'5)+13'('9'5'X)/(-9"X"2- 5)A2*x Grade. 0.1.00 0 Total grade: 0.0x1f1 = 0% Feedback: Because this expression contains a fraction, we must use the quotient rule to find the derivative. Recall the quotient rule: 1m Hm)-(ammo-(green)_ dm 9(55) g(m)2 First, we need to find the derivative of the numerator, *9 i 5 X. Since there are exponents in the numerator, we need to apply the power rule to find the derivative. Recall the power rule is if," : mun1 .Applying this rule, we find that the derivative of dx the numerator is *5 . Next we need to find the derivative of the denominator, *9 X2 i 5. We need to apply the power rule here as well. Doing so, we find that the derivative of the denominator is 718 X. We also need to find the square of the denominator by raising *9 X2 i 5 to the exponent 2 2 .The denominator squared is (*9 X2 i 5) . We now multiply the derivative of the numerator by the denominator, and subtract the numerator multiplied by the derivative of the denominator. We divide this expression by the squared denominator. to find that the derivative is 5F :(( 5* 9X2 5) ( 18X* 9 5X))/(79X275)2. 6K = _L + 18 3X 9X25 (9X25)2 Question5: Score 0/1 If Inverse Demand is P : 11.68 2.08 Q , what is the equation for the price-elasticity of demand? (Round to two decimals if necessary.)