If f(x) = 3x – 2 and g(x) = 2x + 1, find (f – g)(x).

a. 3 – x
b. 5x – 1
c. 5x – 3
d. x – 3

What’s the answer ? use the picture to see the problem

Three numbers x, y, and z are in the ratio 2: 7: 8. if 12 is subtracted from y, then three numbers form a geometric sequence (in the order x, y–12, z). find x, y, and z. there are 2 sets.

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236