Determine whether the given function is positive or negative for values of t in the specified quadrant. Quadrant I, sec t
A. Negative
B. Positive
Answer: B
Mathematics
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Solve the problem.Find the equation for the tangent plane to the surface 
at the point 
A. 7x - 2y + 10z = 29 B. 7x - 2y + 10z = 15 C. 7x + 2y + 20z = 15 D. 7x + 2y + 20z = 29
Mathematics
Determine if the following is a function or not. The set of ordered pairs {(animal, zebra), (bird, sparrow), (flower, tulip), (tree, maple)} from the set {animal, bird, tree, flower} to the set {zebra, sparrow, tulip, maple}
A. Yes B. No
Mathematics
Express the vector as a product of its length and direction.2j
A. 2j
B. 2
C. 2(2j)
D. 
j
Mathematics
Find the unknown value in the percent proportion 
Round to the nearest tenth, if necessary.part = 95, percent = 20
A. whole = 47.5 B. whole = 19 C. whole = 4750 D. whole = 475
Mathematics