dy Use implicit differentiation to determine given the equation x + y5 = 5. dx dy dx = Question Help: Video Submit Question Score: 0/20 0/10 answered Question 1 Find d dx -(7 ln(x)) Question Help: Video Submit Question > > Score: 0/20 0/10 answered Question 3 < > If f(x) = (5x+7) 4, find f'(x). Find f'(3). Question Help: Video Submit Question Score: 0/20 0/10 answered Question 4 < > If f(x) = 6 + 7x - 4x, find f'(2). Question Help: Video Submit Question Score: 0/20 0/10 answered Question 5 Given the demand function D(p) = 225 - 3p, Find the Elasticity of Demand at a price of $2 At this price, we would say the demand is: O Inelastic Elastic Unitary Based on this, to increase revenue we should: Raise Prices O Lower Prices O Keep Prices Unchanged Question Help: Video Submit Question Question 6 Below is the function f(x). 7 6 5 4 3 2 1 -7 -6 -3 -2 -1 -1 -2 -3 -4 -5 -61 N < > Over which interval of a values is f' > 0? (3,) [3,) (-, 3) ( - , 3] (- , 0] Over which interval of a values is f' < 0? (3,) [3,) (-0,3) ( , 3] ( - , 0] Over the interval ( , ), this function is concave up (f'' > 0) O concave down (f'' < 0) Question Help: Video Submit Question Question 7 > > Below is the plot of a function f(x). 15 14 13 12 10 9 8 7 6 S 4 3 2 + -9 -8 -P -3 -2 -1 2 3 5 8 + -2 -3 -4 -5 -6 -7 -8 -9 -10 -11 -12 -13 -14 --15 Which is the most accurate table for the derivative function f'(x)? x f'(x) 0 3 0 x f'(x) -6 0-6 -2 -6.4 2 -12.8 4 -10 6224 -2.4 6 0 6 7.2 x | f'(x) 62246 x f'(x) 0 -6 0 -2.4 0 22 -2 -12 0 3 4 15 7.2 6 7.2 Submit Question Question 8 < > The graph of f(x) = 2x3 + 9x2 - 60x18 has two horizontal tangents. One occurs at a negative value of x and the other at a positive value of x. What is the negative value of x where a horizontal tangent occurs? What is the positive value of x where a horizontal tangent occurs? Question Help: Video Submit Question Question 9 > > 23 30x96x8 has two critical numbers. The function f(x) = 2x - 30x + 96x- The smaller one is x = and the larger one is a = Question Help: Video Submit Question Midterm #2 Part I Score: 0/20 0/10 answered Question 10 < > Find the derivative of the function 9(x) = (3x + x) ex g'(x) = = Question Help: Video Submit Question