SFT 308 ACTIVITY 4.1 Exercises 4.1A Name: Score: Course/Year/Section: Date of Submission: 1. Express the following in expanded form 1.) Ex 1=1 2.) > 3.) [( 3x,? -4x," ) Il. Write in summation notation 1 . ) yi + yet .+ ym 2. ) xy , + x , y , thy g t . lyn Ill. Evaluate the following A.) If Ex=15, Ey' =25, find 1.) (4x -2y' ) 2.) [(x + 3y') B. If x, = 3, x, =-2, x, =5,x, =-3,x, =8, find 1.) E( x, + 10) 2.) 6xSFT 308 ACTIVITY 4.1 Exercises 4.1B Name: Score: Course/Year/Section: Date of Submission: Given the data below, find the value of each summation. 3 6 N -4 5 1.) IM- 2. ) 3.) IM 4.) [( x, - 2) 5.) E ( x, + 1) 6.) E ( x, + y ) 7.) E(v. -x) 8.) Ex, 1=1 9.) [ 3(x, y. ) 10.) E (x, + >. )