Solve the problem.The function defined by f(x) = x + 2 was used to encode the following message: 15 3 22 10 9 7 16 11 23 21using the alphabet coding method (A = 1, B = 2, C = 3, ...). Find the inverse and decode the message.
What will be an ideal response?
f-1(x) = x - 2; MATH GENIUS
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Evaluate the integral.
A. 
sin-1
+ C
B. (2x + 2) ln 
+ C
C. 
tan-1
+ C
D. 3 tan-1
+ C
In the given problem, (a) identify the percent; (b) identify the whole; and (c) identify the part. Write "unknown" if the answer cannot be found in the problem.What percent of 20 students is 6 students?
A. (a) 6%; (b) unknown; (c) 20 students B. (a) unknown; (b) 20 students; (c) 6 students C. (a) 6%; (b) 20 students; (c) unknown D. (a) unknown; (b) 6 students; (c) 20 students
Give the meaning of the metric prefix.deka
A. 
B. 10
C. 
D. 100
The loudness of a sound of intensity x, measured in watts per square meter, is defined as L(x) = log (
), where xo = 10-3.A company with load machinery needs to cut its sound intensity to 72% of its original level. By how many decibels should the loudness be reduced?
Fill in the blank(s) with the appropriate word(s).