Find a Formula For $a _ { n }$ For the Arithmetic Sequence

question 23

Multiple Choice

Find a formula for $a _ { n }$ for the arithmetic sequence.
$$a _ { 4 } = 10 , a _ { 8 } = 34$$

• A) \(a _ { n } = - 8 + 6 n\)
• B) \(a _ { n } = 14 - 8 n\)
• C) \(a _ { n } = 6 - 8 n\)
• D) \(a _ { n } = - 8 ( 6 ) ^ { n }\)
• E) \(a _ { n } = - 14 + 6 n\)

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Definitions:

Blade

(1) The thin, expanded part of a leaf. (2) The flat, leaflike structure of certain multicellular algae.

Palmately Netted

A leaf venation pattern where principal veins spread out from a single point like the fingers of a hand.

Pinnately Netted

Describes a leaf vein pattern where a main vein runs the length of the leaf and smaller veins branch off from the main vein to the leaf edges, resembling a feather.

Mesophyll

The inner tissue of a leaf, containing many chloroplasts, where photosynthesis takes place.