1.a function is a relation in which each input has only one output.

true or false

2.what are the ways a function can be represented

sets of ordered pairs

tables

arrow diagrams

graphs

equations

3.what does the graph of a function in the form y=mx+b look like?

line

point

parabola

circle

What is a possible solutions of the x> 3?

Write the expression 7x^3-28xy^2 as the product of 3 factors

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