Find the exact acute angle ? for the given function value.cot ? = 1
A. 45°
B. 30°
C. 60°
Answer: A
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Solve the problem using the amortization table when necessary.AMORTIZATION (PRINCIPAL AND INTEREST PER THOUSAND DOLLARS)
Sarah Fields wants to borrow $105,000 at 9% to buy a house. How much would she save in total costs by going with a 15-year loan over a 25-year loan?
A. $91,854.00 B. $83,475.00 C. $72,639.00 D. $94,185.00
Determine whether the equation defines y as a function of x. y2 = 6 - x2
A. function B. not a function
Let f(x) = 8x2 - 5x and g(x) = 7x + 9.Find the composite.f[g(-k)]
A. 56k2 - 35k + 9 B. 56k2 + 35k + 9 C. 392k2 - 973k + 603 D. 392k2 + 973k + 603
A firm has two plants, X and Y. Suppose that the cost of producing x units at plant X is 
dollars and the cost of producing y units of the same product at plant Y is given by 
variablename="impvar_20d0957ecbb94e70a10132581" /> dollars. If the firm has an order for 3,000 units, how many should it produce at each plant to fill this order and minimize the cost of production? ? A. 1,500 at plant X; 1,500 at plant Y B. 2,500 at plant X; 500 at plant Y C. 1,000 at plant X; 2,000 at plant Y D. 3,000 at plant X; 0 at plant Y E. 2,000 at plant X; 1,000 at plant Y