If the domain of the square root function f(x) is 757, which statement must be true?
7 is subtracted from the x-term inside the radical,
The radical is multiplied by a negative number
7 is added to the radical term
The x-term inside the radical has a negative coefficient.

In an improper fraction, is the numerator equal to, less than, or greater than the denominator

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

Who long does it take to drive 150 miles at 45 miles per hour