3. [-/14.28 Points] DETAILS SCALCET8 3.6.507.XP. Find y' and y". y = x2 In(7x) Need Help? Watch It 4. [-/14.28 Points] DETAILS SCALCET8 3.6.511.XP. If f(x) = In(x) 10 , find f '(1). f '(1) = Need Help? Watch It 5. [-/14.28 Points] DETAILS SCALCET8 3.6.512.XP. If f( x) = In(1 + e2x), find f '(0). f'(0) = 6. [-/14.28 Points] DETAILS SCALCET8 3.6.037. Let f(x) = cx + In(cos(x)). For what value of c is f'(7/4) = 2? C = Need Help? Watch It 7. [-/14.32 Points] DETAILS SCALCET8 3.6.522.XP.MI. Find an equation of the tangent line to the curve at the point (3, 0). y = In(x2 - 8) Need Help? Master It