Solve the problem.How long is the shadow cast by a person 5 feet tall when a flagpole 20 feet tall casts a shadow 60 feet long?
A. 15 ft
B. 100 ft
C. 12 ft
D. 4 ft
Answer: A
Mathematics
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If f(x,y) = x² + 6y², use the gradient vector ?f(10, 2) to find the tangent line to the level curve f(x,y) = 124 at the point (10, 2).
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Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
- 
A. 
B. 
C. 
D. 
Mathematics
For the function represented in the graph, determine the domain or range, as requested.Find the range.
A. [-3, 3] B. {-4, -3, -2, -1, 0, 1, 2, 3, 4} C. {-5, -4, -3, -2, -1, 0, 1, 2, 3} D. [-5, 3]
Mathematics
Determine whether f is continuous at c.f(x) = 
;c = 1
A. continuous B. not continuous
Mathematics