A)


B)



C)

question 49

Multiple Choice

$$\begin{array} { r | r | r | r | r | r| r | r | r | r } \mathrm { x } & - 1 & 3 & 8 & 5 & 11 & 10 & - 1 & - 3 & - 1 \\\hline \mathrm { y } & 2 & 7 & 9 & 11 & 9 & 11 & 5 & 4 & 2\end{array}$$

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Definitions:

\(n ^ { 2 }\)

An algebraic expression indicating the square of the variable n.

\(( - 1 ) ^ { n + 4 }\)

An expression representing alternating positive and negative values for different integers n.

\(n + 1\)

Represents the next consecutive integer or element following 'n' in a sequence.

\(\frac { 20 } { n + 1 }\)

A mathematical fraction expressing the relation of the number 20 to one more than some number n.