D Question 9 1 pts NOVA NVCC Spring 2023 Northern Virginia Community College Home Find the derivative of the function at the given point in the direction of A. Announcements Account f(x, y, z) = 7x + 2y +8z, (-9, -4, -5), A = 3i - 6j - 2k Assignments Discussions 0 1 Dashboard Grades 8 O - 1 People Courses Pages Groups Files O _ 13 Syllabus Calendar 31 Quizzes Inbox Modules D Question 10 1 pts Collaborations History New Analytics Provide an appropriate response. Course Evaluations Studio Purchase Course Find the direction in which the function is increasing most rapidly at the point Po- ? Materials f(x, y) = xy - yx2, Po(-1, 2) Help NOVA Policies Tutor.com: 24/7 Online Tutoring Library Resources Career Connection O (8 /89) i - (5 /89) j Zoom K D Question 11 1 pts