exam Maths Puzzle Numerical Ability

What is the difference between domain and range? Describe a real life situation that could be modeled by a function

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exam Other Question

PLEASE HELP!!!
Need to make at least 12 helicopters and at least 20 airplanes per month.
Limit on number of helicopters to (no more than) 72 per month
Can sell helicopters for 3
O.K., another I just can't seem to work out...

Graph the following equations; calculate the slope, x-intercept and y-intercept and label the intercepts on the graph.
y=x+3

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