Decide Whether the Relation Is a Function

question 4

Multiple Choice

Decide whether the relation is a function.
-Find f(4) when f(x) = 5x² + 2x + 2.

• A) 90
• B) 86
• C) 26
• D) 74

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Definitions:

Birth Weight

The weight of a baby at the time of its birth, an important indicator of newborn health and developmental status.

Babinski Reflex

Fanning the toes when the soles of the feet are stroked.

Extended Early Contact

Sustained interaction between a newborn and caregiver soon after birth, aimed at promoting bonding and attachment.

Preterm Babies

Infants born before completing the usual 37 to 42 weeks of gestation, often requiring specialized care due to underdeveloped organs.