the cost in cents for producing x toy cars is 20x + 1200. the toy cars sell for 50 cents each. how many toy cars need to be sold so that the revenue received is at least equal to the production costs?​

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we need to see the graph to know but

strong positive is if it is going up from left to right in a straight diagonal line (like this /)

strong negative is the same but from right to left (like this \)

weak negative is the same as strong negative but its more straight line still right to left

and weak positive is the same as strong positive but more a straight line still left to right though.