Choose the equation that matches the graph.
A. x = (y - 1)2
B. f(x) = (x + 1)2
C. x = (y + 1)2
D. f(x) = (x - 1)2
Answer: A
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Solve the problem.A cost-benefit model expresses the cost of an undertaking in terms of the benefits received. One cost-benefit model gives the cost in thousands of dollars to clean up x percent of an oil spill as
Another model produces the relationship 
Find the cost function found by averaging the two models. Simplify the expression for this function by performing the indicated operations.
A. c(x) = 
B. c(x) = 
C. c(x) = 
D. c(x) = 
Calculate the area of the surface S.S is the portion of the cylinder x2 + y2 = 16 that lies between z = 4 and z = 5.
A. 8? B. 4? C. 36? D. 72?
Tell whether or not the relation is a function.{(-7, -8), (-7, 2), (-1, 4), (5, 8), (10, 6)}
A. Yes B. No
Add. Write the answer in lowest terms.
+ 
A. 
B. 
C. 1
D. 