Provide an appropriate response.The combination formula can be used to determine which of the following?A: The number of sequences of 3 letters using the letters A, B, C, and D if repetitions are not allowedB: The number of ways of choosing a president and a treasurer from 10 peopleC: The number of ways to choose 3 friends from 10 to invite to dinner
A. A and B
B. B only
C. C only
D. A only
E. B and C
Answer: C
Mathematics
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Solve the problem.For what point(s) on the curve of y = -0.25x2 + 8x is the slope of a tangent line equal to 1?
A. (14, 63) B. (1, 7.75) C. (16, 64) D. (0, 0)
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Use a graphing calculator to solve the equation. Round your answer to two decimal places.ln(3x) = -x + 3
A. {1.50} B. {4.5} C. {0.15} D. {3.15}
Mathematics
Give the amplitude or period as requested.Amplitude of f(x) = -3 sin 5x
A. 
B. 3
C. 
D. 
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Simplify the rate and write the result in words.
A. 
; 10 computers for every 7 printers
B. 
; 8 printers for every 56 computers
C. 
; 10 printers for every 7 computers
D. 
; 80 printers for every 8 computers
Mathematics