Let f be a function of two variables that has continuous partial derivatives and consider the points a(5, 6), b(9, 6), c(5, 13), and d(17, 15). the directional derivative of f at a in the direction of the vector ab is 3 and the directional derivative at a in the direction of ac is 10. find the directional derivative of f at a in the direction of the vector ad. (round your answer to two decimal places.)

It would be a !

The academic affairs council is the highest expert body processing academic affairs, as stipulated by the university statutes. specialist aaro häkkinen (educational policy) took part in the council’s meeting. the agenda of the meeting included bachelors’ feedback, the timing of pedagogical studies, the grant system for tuition fees, the standardisation of administrative practices for internships and the situation of foreign-language and multilingual master’s programmes.