57 Answered Questions for the topic Range

Inverse and radical functions precalculus

Let f(x)=(x+5)^2 Find a domain on which f is one to one and non decreasing. Find the inverse of f restricted to this domain f^-1(x)=

What is the domain and range for cube root function?

If there are no restrictions mentioned, what is the domain for cube root functions? If there are no restrictions mentioned, what is the range for cube root functions?

mean median mode and midrange

Below are the jersey numbers of 11 players randomly selected from a football team. Find the​ range, variance, and standard deviation for the given sample data. What do the results... more

trouble with functions and domain/range

Assume a car uses gas at a constant rate. After driving 25 miles since a full tank of gas was purchased, there was 9 gallons of gas left; after driving 70 miles since a full tank of gas was... more


Range Question!

70 students took an exam. the mean score on the exam is 75.5 and the standard deviation is 2.6 what percent of the scores are in the 72.9 and 83.3 range?


Pre-calc radio station range type problem. Please help!!

You are driving on a course of 105 degrees. A radio station that is due East and 30 miles away from your current location puts out a signal with a 25 mile radius. If you continue on your 105 degree... more


Graph the piecewise defined function f(x)= 1-x^2 if x < 2 and f(x)= x if x > 2

Graph, and find domain & range. Note: On f(x)= 1-x^2 if x < 2 , if x<2 is equal to as well. (Could not find symbol on keyboard). 

Generate random numbers within a range with pre-defined sum

What if I want to generate random numbers within a range with a fixed sum?? For example: I want to generate 50 numbers between 50 - 100 but with a fixed sum of 4650 so that I would produce a mean... more


What does the "map" method do in Ruby?

I'm new to programming. Can someone explain what `.map` would do in: params = (0...param_count).map


Calculus Study Guide Help:

I need help answering the following questions from my study guide: When a circular plate of metal is heated in an oven, its radius increases at a rate of 0.03 cm/min. At what rate is the plates... more


What is the range of the function y=(2x+3) for the domain 3≤x≤9?

Range Formula


Most Common Range

I am trying to determine the most common 4-year range in a list of dates. Is there a formula that I can use in Excel 2007 to find out this statistic?


What is the difference between [2, infinity) and (1, infinity)?

Don’t the both of them mean the same? i.e from 2 to infinity? There was this one mcq which had both of these options. So how do yoy differentiate between the two?  


State the range

If f(x) = 3x+2 / x^2+6x+9, State the range of f^-1(x).


What is the 60th percentile?

1 1 1 1 1 1 2 3 5 8 13 21 34 55 89 89 89 89 89 89  What is the 60th percentile? I tried it and got an incorrect answer please help. 

you buy a new car that costs $25000 the car depreciates at a rate of 11% per year

independent variable domain and range 

What is the domain and range from 30x+22=y?

I need to find the domain and range for a project and I have been struggling.
Range Value


How can I convert a value in the range of 0 to1 into a value of -1 to 1

Okay so I am programming a video game. I am using a what's called a slider that can be dragged across the screen with the mouse that will give a value based off it's position. If it is dragged all... more


What is the range of r(x) = 4x^2/ x^2 − 2x − 3

I just need to know what the range of this equation is.


Whats the range of the possible number of tickets that Teresa sold?

Sandy sold 22 tickets, which was at least 6 more than twice the number of tickets that Teresa sold. What's the range of the possible number of tickets that Teresa sold?


Range of sec^2x +cosec^2x

What's range of sec^2x +cosec^2x?, where x belongs to R.is it [0,infinite) or [4,infinite). Plz give me reason behind the answer 

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