The point P(x, y) on the unit circle that corresponds to a real number t is given. Find the values of the indicated trigonometric function at t.
?Find cos t.
A. 
B. - 
C. 
D. - 
Answer: C
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?The following chart shows the proportion of a budget of $ 14,000 spent on household items.? ? Kitchen Equipment 1/6 Living Room Furniture 1/5 Dining Room Furniture Beds/Linen 3/10 ? Which of the following is true? ?
A. ?The purchasing of Living Room Furniture is greater than the purchasing of Beds/Linens. B. ?The proportion of the budget spent on Dining Room Furniture is 1/5. C. ?The proportion of the budget spent on Dining Room Furniture is 4/5. D. The amount of money spent on Kitchen Equipment is less than the amount of money spent on Dining Room Furniture. E. ?$420 more was spent on Living Room Furniture than on Kitchen Equipment.
Solve the problem.Find the minimum possible value of f = 2x + 4y subject to the following constraints: 
A. 0 B. 10 C. 30 D. 20
Determine whether the given function is linear or nonlinear.
A. linear B. nonlinear
Write the partial fraction decomposition of the rational expression.
A. 
+ 
B. 
+ 
C. 
+ 
D. 
+ 