Find the inverse of the function [-4 6] [8 -12] if it exists A) -1/10 [-2 3]
[ 2 2]

B) 1/6 [ 2 -2 ]
[ -1 4]

C) 1/84 [ 7 -7 ]
[ 6 6 ]

D) does not exist

Answer: d. 39 cmin the diagram, the approximate length of the minor arc de is 39 centimetres.step-by-step explanation: the formula for the length of an arc in a circle is as displayed below.let the length of the minor arc de = xx = 2( pi )r × angle of sector / 360°from this, we will substitute the values given from the problem into the formula to obtain the length of the minor arc de.x = 2( pi )r × angle of sector / 360°r = radius = 25cmpi as an approximate value = 3.14angle of sector = 120°x = 2( 3.14 )( 25 ) × 120° / 360°x = 157 × 1 / 4x = 39.25x = 39 ( rounded to the nearest whole number as an approximate value )