Question: Consider the linear function f ( x ) - 5 x + 2 0 . What is the domain and range of this function? Now,

Consider the linear function f

(

) - 5

+ 20 .

What is the domain and range of this function? Now, suppose the function represents the relationship between studying time and grades on an exam. The variable x represents the number of hours spent studying

(

with a max of

24

hours

)

and f

(

)

represents the grade on the exam

(

out of

100 %) .

Does this change the domain and range? If so

,

what is the new domain and range and why is it different?

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