Use the standard normal curve table to find the closest z-score for the given condition.25.1% of the total area is to the right of z.
A. 0.67
B. 0.33
C. -0.68
D. -0.67
Answer: A
Mathematics
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Give an appropriate answer.Find a point on the surface z = 5x2 + 2y2 where the tangent plane is parallel to the plane 
.
A. (5, -2, 62)
B. 
C. 
D. 
Mathematics
Use multiplication to check the answer. If an answer is incorrect, find the correct answer.
A. Correct B. Incorrect; should be 951 C. Incorrect; should be 950 R26 D. Incorrect; should be 950 R22
Mathematics
Solve the problem.Given the cost function, C(x), and the revenue function, R(x), write the profit function from producing and selling x units of the product. C(x) = 2000x + 78,000 R(x) = 8000x
A. P(x) = 6000x + 78,000 B. P(x) = -6000x + 78,000 C. P(x) = -6000x - 78,000 D. P(x) = 6000x - 78,000
Mathematics
Graph the function.f(x) = e5x 
A. 
B. 
C. 
D. 
Mathematics