What is the inverse of the function f(x) = 2x + 1? CO
1
0.h(x) =
= X-
2
1
2
1
Oh(x) =
21
+
1
2
Oh(x) = X-2
- x-2
- +2
O h(x) = X + 2

Lems1. the following data set represents the scores on intelligence quotient(iq) examinations of 40 sixth-grade students at a particular school: 114, 122, 103, 118, 99, 105, 134, 125, 117, 106, 109, 104, 111, 127,133, 111, 117, 103, 120, 98, 100, 130, 141, 119, 128, 106, 109, 115,113, 121, 100, 130, 125, 117, 119, 113, 104, 108, 110, 102(a) present this data set in a frequency histogram.(b) which class interval contains the greatest number of data values? (c) is there a roughly equal number of data in each class interval? (d) does the histogram appear to be approximately symmetric? if so,about which interval is it approximately symmetric?

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

The triangles in the diagram are congruent. if mzf = 40°, mza = 80°, and mzg = 60°, what is mzb?