Solve the problem.It costs $700 to start up a business of selling hot dogs. Each hot dog costs 
to produce. Let y be the cost in dollars of producing x hot dogs. What would be the cost to produce 900 hot dogs?
A. $630
B. $770
C. $1330
D. $63,700
Answer: C
Mathematics
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Find the gradient field F of the function f.f(x, y, z) = (x9y2 - y8z3)e-z2
A. F = 9x8y2e-z2i + (2x9y - 8y7z3)e-z2j + y2ze- z2[y6z(2z2 - 3) - 2x9]k B. F = 9x8y2i + (8y7z3 - 2x9y)j + (2z2 - 3)y8z2k C. F = 9x8y2e-z2i + (2x9y - 8y7z3)e-z2j + (3 - 2z2)y8z2e-z2k D. F = 9x8i + (8y7 - 2y)j + 2z4e-z2k
Mathematics
Find numbers a and b, or k, so that f is continuous at every point.
A. k = 42 B. k = 30 C. k = -6 D. Impossible
Mathematics
State whether the graph is or is not that of a function.
A. Yes B. No
Mathematics
Rewrite the following number using digits.One hundred million, six thousand
A. 106,000,000 B. 1,600,000 C. 100,006,000 D. 1006
Mathematics