0.75 (decimal) is equal to 3/4 (simplified fraction)
g(5) means we substitute every x in the equation with a 5.
g(5) = (5)^2 - 4.
g(5) = 21.
Answer:
x=8
Step-by-step explanation:
(8x+12)=76
8x=64
x=8
check
8(8)+12=104
64+12=76
76=76
The explicit formula of the sequence is given by a_n = -4n(n-1).
We have to find the first five terms of the sequence.
The first term:

The second term:

The third sum:

The fourth term:

The fifth term:

Thus, option D is correct.