Perform the indicated operations and write the answer in the form 
where a and b are real numbers.(4 - 4i
) + (4 + 6i
)
A. 8 + 10i
B. 8 + 2i
C. 18i
D. 10i
Answer: B
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Determine the indicated function.A rectangular garden is to be surrounded on three sides by a fence costing $5 per foot and on one side by a stone wall costing $20 per foot. Let x be the length of the side with the stone wall, and let y be the length of each of the other three sides. Express the cost C of enclosing the garden as a function of the length and width.
A. C(x, y) = 20x - 15y B. C(x, y) = (20x)(15y) C. C(x, y) = 15x + 20y D. C(x, y) = 20x + 15y
Use the graph to solve the problem.The graph depicts a relationship between scores achieved on an unspecified standardized test and family income. Find the rate of change of test scores with respect to family income.
A. 15.1 point(s) per thousand dollars B. 150 point(s) per thousand dollars C. 1500 point(s) per thousand dollars D. 1.5 point(s) per thousand dollars
Provide an appropriate response.Perform the indicated operations. Write answer in scientific notation: (1.512 × 10-2) ÷ (2.8 × 106)
What will be an ideal response?
Begin by graphing the square root function f(x) = 
Then use transformations of this graph to graph the given function.g(x) = 4
A. 
B. 
C. 
D. 