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MUST LABEL ORIGIN
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describe graph is the increasing at increasing rate of whatever
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state graph is direct / inverse proportional relationship
for the gradient, use 2 points that are more than 1/2 of the length of the line
MUST LABEL ORIGIN
describe graph is the increasing at increasing rate of whatever
state graph is direct / inverse proportional relationship
for the gradient, use 2 points that are more than 1/2 of the length of the line