Write an Equation for the Linear Function and Use It $\mathrm { r } = 7 + 0.8 \mathrm { t } ; 11.25$

question 69

Multiple Choice

Write an equation for the linear function and use it to answer the given question.
-You can rent time on computers at the local copy center for a $7 setup charge and an additional $4 for every 5 minutes. How much time can you rent for $16?

• A) \(\mathrm { r } = 7 + 0.8 \mathrm { t } ; 11.25\) minutes
• B) \(r = 7 t + 0.8 ; 2.17\) minutes
• C) \(\mathrm { r } = 7 \mathrm { t } - 0.8 ; 2.4\) minutes
• D) \(\mathrm { r } = 7 - 0.8 \mathrm { t } ; 28.75\) minutes

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Definitions:

Piagetian Stage

Piagetian Stages are phases in child development outlined by Swiss psychologist Jean Piaget, representing key steps in cognitive development.

Sensorimotor

Refers to a developmental stage in infants where they learn to interact with the world through physical movements and sensory experiences.

Concrete Operational

A stage in Piaget's theory of cognitive development, where children aged around 7-12 years gain the ability to think logically about concrete events.

Concrete Operations

a stage in Piaget's theory of cognitive development, where children aged 7 to 12 years become capable of logical thought processes but are not yet able to handle abstract reasoning.