Perform the indicated operations and simplify.
- 
+ 
A. - 
B. 
C. - 
D. 
Answer: A
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The amount G, in pounds, of grass a kangaroo will eat in a day depends on the amount V, in pounds per acre, of vegetation present. The relationship is given by
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A: Make a graph of G versus V. Include vegetation levels up to 2,000 pounds per acre.B: What vegetation level will cause a kangaroo to consume 2.1 pounds in a day?C: Is the graph concave up or concave down? Explain in practical terms what this means about how the kangaroo feeds.D: What is the most a kangaroo will eat in a day no matter how much vegetation is present?
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Round your answer to two decimal places if necessary.
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What will be an ideal response?
Solve by the quadratic formula. If there are no real roots, say so.x2 = 9 - 4x
A. -1 ± 
B. 2 + 
C. -2 ± 2
D. -2 ± 
Find the exact value of the expression.csc(-240°)
A. - 
B. 
C. -2
D. 
Determine the sum of the following geometric series: 1 - 
+ 
- 
+ 
- ... .Enter just a reduced fraction of form 
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Fill in the blank(s) with the appropriate word(s).