What description with its correct expression? A. Two less than the quotient of a number cubed and four, increased by eight; 2-n^3/4+8

B. Six times the difference of five and a number squared; 6(n^2-5)

C. Three more than the quotient of nine and a number cubed. Decreased by two; 3+9/n^3-2

D. Twice the difference of a number squared and three; 2n^2-3

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

for every hour i deducted .5 inches from the length of the candle

part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation:

d. 8

step-by-step explanation:

the given radical expression is:

we can rewrite this as:

we express as square numbers to get;

the exponents will now cancel out to give.

the correct answer is d