Step-by-step explanation:
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Answer:
18
Step-by-step explanation:
The area of triangle is b*h/2
so it will be 36/2 which will be 18
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Answer:
Domain: All real numbers
Range: 
Step-by-step explanation:
The domain is the set of all x values. The quadratic equation continue to operate over all x-values in both directions. The domain is all real numbers.
The range is the set of all y-values. Here the quadratic begins at -3 and continues in a downward direction forever. Then range is 
<span>x 2 + 2x + 1 if you wanted is just 4x+1
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