Select the function that defines the given sequence,
-8, -20, -50, -125,- 28
a
f(1) = 8
s(n) = -7.1(n-1), for n = 2, 3, 4,
b. f(1) = -8
f(n) =
f(n − 1), for n = 2, 3, 4,
©c f(n) = -8()– 1)
d. f(n) = -8 (-5)n 1)

answer

the correct answer is

explanation

the given function is

the excluded values are obtained by solving:

we factor to obtain:

the excluded values are

an

y = 6x -3y -12

y +3y +12 = 6x

=> . x = { 2y / 3 +2 } this is equation of line in terms of x

=> . if line meets the x-axis the co-ordinates of meeting point would be ( x , 0 )

=> . x = 2 ( 0 ) / 3 + 2

=> . x = 2

so, the point is ( 2 , 0 )

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