Evaluate the indicated trigonometric function of the acute angle ?.If ? is an acute angle of a right triangle and if cot ? = 
, then find the value of sin ?.
A. 
B. 
C. 3
D. 
Answer: D
Mathematics
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Use the leading-term test to match the function with the correct graph.f(x) = x4 - 4x3 + 14x2 + x - 18
A. 
B. 
C. 
D. 
Mathematics
The graph of a quadratic function is given. Determine the function's equation.
A. f(x) = -x2 - 2x - 1 B. h(x) = -x2 - 1 C. g(x) = -x2 + 2x + 1 D. j(x) = -x2 + 1
Mathematics
Find the present value. Round to the nearest cent.To get $25,000 after 11 years at 8% compounded semiannually
A. $10,970.84 B. $10,722.07 C. $10,548.88 D. $14,451.12
Mathematics
Answer the question.Choose the expression that is equivalent to the following: 12x + 3y
A. 3(4x + 3y) B. 3(9x + y) C. 15xy D. 3(4x + y)
Mathematics