Two functions, function a and function b, are shown below: function a x y 7 14 8 16 9 18 function b the first quadrant of a coordinate grid is shown from 0 to positive 10 on both axes at intervals of 1. the title is function b. only the even numbers are shown on the scale. a line is drawn by connecting the points on ordered pairs 2, 4 and 3, 6 and 4, 8. which statement best compares the rate of change of the two functions? the rate of change of both functions is 2. the rate of change of both functions is 3. the rate of change of function a is greater than the rate of change of function b. the rate of change of function b is greater than the rate of change of function a.

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.

Raymond just got done jumping at super bounce trampoline center. the total cost of his session was $43.25 . he had to pay a $7 entrance fee and $1.25 for every minute he was on the trampoline. write an equation to determine the number of minutes (t) that raymond was on the trampoline.