An Equation That Defines Y as a Function of X $$5 x + 9 y = 19$$

question 447

Multiple Choice

An equation that defines y as a function of x is given. Solve for y in terms of x, and replace y with the function notation
f(x) .
- $$5 x + 9 y = 19$$

• A) \(f ( x ) = 5 x - 19\)
• B) \(f ( x ) = - \frac { 5 } { 9 } x + \frac { 19 } { 9 }\)
• C) \(f ( x ) = \frac { 5 } { 9 } x - \frac { 19 } { 9 }\)
• D) \(f ( x ) = \frac { 5 } { 9 } x + \frac { 19 } { 9 }\)

---

Definitions:

Invincibility Fable

An adolescent’s egocentric conviction that he or she cannot be overcome or even harmed by anything that might defeat a normal mortal, such as unprotected sex, drug abuse, or high-speed driving.

Adolescent

An individual in the stage of development between childhood and adulthood, often marked by significant physical, psychological, and social changes.

Cognitive Development

The process by which a person's ability to think, reason, and problem solve grows and changes over time.