10. The air temperature is -6 °C at sunrise and rises 3°C every hour for several hours. The air temperature after x hours is represented by the function
f(x) = 3x - 6.

step-by-step explanation:

circumference divided by 3.141592654 then timesthe radius twice

step-by-step explanation:

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the image is given below

since the options are not given so we draw it from the equation

the given equation is

y = (x-1) (x+4)

y = y² + 3x - 4

the above equation is a quadratic equation which will have two roots. if we draw the graph for it, it will look like this

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