Respuesta :

Cortes33
To find the value of the given function first lets substitute the value of x in the equation;

y = 0.5x - 10
y = 0.5(9) -10
y = 4.5 - 10
y = -5.5
hope this helps :)
apologiabiology
inpus 9 for x
y=0.5(9)-10
y=4.5-10
y=-5.5

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