During a certain flu epidemic, the total number T of patients diagnosed with the flu after d days is given in the table below. d 0 5 10 15 20 T 35 41 47 53 59 (a) Check differences to show that these are linear data. T is a not linear function or T is a linear function?    (b) What is the practical meaning of the slope? The slope represents the total number of cases each day or The slope represents the number of new cases per day  ?

Question

During a certain flu epidemic, the total number T of patients diagnosed with the flu after d days is given in the table below.

d 0 5 10 15 20
T 35 41 47 53 59
(a) Check differences to show that these are linear data.
T is a not linear function or T is a linear function?   

(b) What is the practical meaning of the slope?
The slope represents the total number of cases each day or
The slope represents the number of new cases per day  ? 

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