Question 1:

The cross product of vectors a = (-1, 4, 6) and b = (3, 0, -2) is * O (-14, 20, -12) O (-14, 16, -13) O (-8, 20, -12) (-8, 16, -12) O NO RESPONSEThe length of the vector c = (2, -3, 1) is O 14 O root(14) O root(13) O 7 O NO RESPONSEWhich of the following selections best describes the shape of the graph of ' the function y = x) as shown in the diagram below? * Q fill =- 3\". Pix} :- D Q fill ' 01ft!) =- D Q fill =- 3\". Pix} * D Q fill ' Ulfix)' D O No REsPoMsE What is the derivative of f(x) = x sinx? a) x (3sinx+ xcosx) b) 3x- cosx c) 3x sinx-x' cosx d) -x'sinx + 3x- cos x e ) NO RESPONSEFor some functions f(x), g(x) and h(x) it is known that: f (3) =-2 f '(3) = 6 g(3) =2 . g'(3) =3 . h(x)= f(x) g(x) Determine h'(3) O 12 O 18 O 3/2 O O NO RESPONSEWhich of the following expressions can be used to determine the slope of the tangent for y = f(x) at the point x =a? a) f'(ath) b) lim f(ath)- f(a) h c) f(b) -f(a) b - a d) J(ath)- f(a) h e) NO RESPONSE O A O B O C O D OWhich of the following functions would produce a derivative containing an x * term? a) V=x b) y=x c) y= x d) y= x e) NO RESPONSEWhat 15 the derivative of f (x) - 005$ )9 1' x46!" 3 in(e"' ) - 33:3 cos (3") a ) x3 sin 6" 3x3 cos 3" b) ( ) a ( ) x _ 4 ' .1' _3 3 I c) x 3111(6' ) 4 x cos(e ) x _ 4 x * x _ 3 J: d) x 6 511109: ) 3x cos(e ) x3 8) NO RESPONSE For some function fix), it is known that Fix)