The cost, y, in dollars, or parking a car for x hours at a parking lot during the day is shown using the function below. y={2x, 0(less that equal to sign) x (less than equal to sign)4 and 10, 4 < (less than equal to sign) 8 . Which of the following graphs models the cost of the parking at this parking lot?

part a

in a city ice cream is mostly only bought when the temperature is very high as ice cream cools down our

so we can derive the conclusion that as the temperature increases the number of ice creams sold also increases

part b

y intercept is 5

slope is 2

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step-by-step explanation:

sin(7pi/6 - pi/3)  

= sin(7pi/6 - 2pi/6)  

= sin(5pi/6)  

= sin(pi - pi/6)  

= sin(pi/6)  

= 1/2  

sin 7pi/6 - sin pi/3  

= sin (pi + pi/6) - sin pi/3  

= -sin pi/6 - sin pi/3  

= -1/2 - sqrt(3)/2  

= -(1+sqrt(3))2

it would open into a square depending on the type of envelope i’m not sure about the second part