Question 1

\f30 7x Find the derivative of f(x) = - 4x + 3x - 1 O f(x)= 84x e/* + 36x2e 7* +63xe7x- 12ex (4x3 + 3x- 1)2 O f(x)= _-84x e/* +36x2ex-63xe7*+30ex (4x3+ 3x- 1)2 O f (x ) = 2107x 12x2 + 3 Of ( x ) = 84x3e /*-36x2e 7* + 63xex-30ex (4x3 + 3x- 1)2Using the graph of f(x) = 8 -x*, estimate the derivative of f(x) when x = - 2. O - 4 O O 0 4\fThe amount of bacteria present in a medium after thours is given by A(f)=1690'32?. At what rate is the amount of bacteria changing after 12 hours? 0 238.21 bacteria per hour 0 744.41 bacteria per hour 0 24,619.97 bacteria per hour 0 84.61 bacteria per hour \fHelium is pumped into a spherical balloon at the rate of 50 cubic inches per minute. At what rate is the radius changing when the radius is 3.5 inches? 0 \"(iJET\"? O =%m o it; E _ 4911 min \fConsider the function f(x) = W near X = 81. Find the linear approximation error when using the linear approximation to estimate J4 80.75. 0 0.000002 0 0.000002 0 2.997685 0 -2.997685 \fFor the graph shown below, find all values of x for which f(x) is not differentiable. O X= - 3, = - 1, X =0 O f(x) is differentiable for all x-values. O X= 0 O X= - 3, X= - 1