Use the alphabet coding method (A =1, B = 2, C = 3, ... Z = 26) to solve the problem.The function defined by f(x) = x + 2 was used to encode a message as: 15 3 22 10 9 7 16 11 23 21Find the inverse function and determine the message.
What will be an ideal response?
f-1(x) = x - 2; MATH GENIUS
Mathematics
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As part of a study, 800 college football players are randomly chosen and their weights taken. The distribution of the weights is approximately normal. The average weight is 235 pounds and the standard deviation is 25 pounds.A weight of 185 pounds corresponds to a standardized value of
A. -3. B. -2. C. -1.5. D. -1. E. none of these
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Approximate the circumference of the circle using 3.14 for ?.
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Evaluate the variable expression.
, when m = 27 and n = 24
A. -15 B. 1 C. 3 D. 19
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Find the indicated matrix.Let A = 
and B = 
. Find A - B.
A. [-2]
B. 
C. 
D. 
Mathematics