Determine whether the given relationship defines a function. If so, identify the independent and dependent variable, and why the relationship is a function.The number of shares s of a certain stock traded on a given day x.
A. Yes; x, s; there is one number of shares s traded on any given day x.
B. No
Answer: A
Mathematics
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Find curl F.F(x, y, z) = y cos(x)i + x sin(y)j - 9k
A. 0 B. x cos(y)i - y sin(x)j + (x cos(y) + y sin(x))k C. 0i + 0j + (sin(y) - cos(x))k D. (-9 - x)i + (y + 9)j + (x - y)k
Mathematics
Solve the problem.How do you measure 6 minutes with a 7-minute hourglass and a 5-minute hourglass? Assume that the hourglasses can only measure 7-minute and 5-minute intervals, respectively, and cannot be used to measure other time intervals.
What will be an ideal response?
Mathematics
Simplify. Assume that all variables represent positive real numbers.7
- 3
A. 7
- 3
B. -2
C. 4
D. 2
Mathematics
Answer the question or write an explanation.Is (8x5y2)4 equivalent to 32x20y8?
What will be an ideal response?
Mathematics