Question

check my work?

Answer 1

U right!!

Answer 2

no..its option ..not C..

Answer 3

@Melodysim sory..just plug in values from table and see the result then match it with 2nd column values..!!!

Answer 4

Oh really...?

Answer 5

can some one show me, i dont understand the late part of it

Answer 6

see.. if n=1 then 1st option gives..

an=40+7(1-1)=40+0=40

if n=2 then

a2=40+7(2-1)=40+7*1=40+7=47

if n=3 then

a3=40+7(3-1)=40+7*2=40+14=54

you get it..??now compare results for n=1 n=2 n=3 to the table..