If x is a number that is 7 more than y, how do you express x as a function of y?
a. x = f(y) = 7 + x
b. x = f(y) = 7 + y
c. y = f(x) = 7x
d. y=f(x) =y-7
e. y=f(x) = 7+y

What is 1/3x5 on anuber line what does it look like on a number line

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?

Unaware that 35% of the 10000 voters in his constituency support him, a politician decides to estimate his political strength. a sample of 200 voters shows that 40% support him. a. what is the population? b. what is the parameter of interest? state its value c. what is the statistics of the interest? state its value d. compare your answers in (b) and (c) is it surprising they are different? if the politician were to sample another 200 voters, which of the two numbers would most likely change? explain