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

Mathematics

You might also like to view...

Solve the problem.The minute hand of a clock is 5 inches long. How far does the tip of the minute hand move in 30 minutes? If necessary, round the answer to two decimal places.

A. 18.22 in. B. 16.94 in. C. 15.71 in. D. 13.97 in.

Mathematics

Find the amount or rate of discount and the sale price after the discount. Round money answers to the nearest cent if necessary.Original price: $570 Rate of discount: 30%

A. $85.50, $484.50 B. $176.70, $393.30 C. $165.30, $404.70 D. $171.00, $399.00

Mathematics

If m and n are integers, is 6m2 + 34n ? 18 an even integer? Justify your answer.

What will be an ideal response?

Mathematics

For the given angle of rotation and coordinates of a point in the x'y'-coordinate system, find the coordinates of the point in the xy-coordinate system.? = 60°, (5, -1)

A. (8, 3)
B. (3, 7)
C. (7, 3)
D. (3, 8)

Mathematics