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Christian is training for a swimming competition He starts swimming 10 ft. from the shore to his boat The table below represents the distance from the shore. f(z), as a function of time after z minutes of swimming.

Christian is training for a swimming competition He starts swimming 10 ft from the shore to his boat The table below represents the distance from the shore fz class=

Respuesta :

Answer:

f(x) = 20x + 10

Step-by-step explanation:

(0 , 10) ; (3 , 70)

Slope = [tex]\frac{y_{2}-y_{1}}{x_{2}-x_{1}}[/tex]

          [tex]= \frac{70-10}{3-0}\\\\= \frac{60}{3}\\\\= 20[/tex]

y- intercept = 10

f(x) = mx + c

     = 20x + 10

Answer: it goes up by 60 each time

Step-by-step explanation: