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

Recognize and write the components of algebraic expressions, such as terms and coefficients.

Apply the distributive property to simplify expressions.

Solve simple algebraic equations and inequalities.

Calculate simple and compound interest using given formulae.

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