Questions on Algebra: Functions, Domain, NOT graphing answered by real tutors!

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Question 158190: State the domain of the following and provide a brief explanation
f(x)=square root x+4
Click here to see answer by Edwin McCravy(8893)

Question 158435: The function, p(d)=1+d/33, gives the pressure, in atmospheres (atm), at a depth d in the sea (d is in feet). Note that p(0)=1 atm, p(33)=2, and so on. Find the pressure at 150 ft.
The pressure at 150 feet is ____ atm.
Click here to see answer by nerdybill(6951)

Question 158479: Find the domain of the following:
1.f(x)=4.5e
2. g(x)=2^x Show your work and explain how you obtained your answer
3. h(x)=-e^x
Description of transformation
Equation(s) for the Horizontal Asymptote(s).
y-intercept in (x,y) form:
Click here to see answer by stanbon(57282)

Question 158429: Find the indicated outputs for f(x)=5x squared - 5x.
f(0) =
Click here to see answer by orca(409)

Question 158597: The function H described by H(x)=2.75x+71.48 can be used to predict the height, in centimeters, of a worman whose humerus (the bone from the elbow to the shoulder) is x cm long.
Predict the height of a woman whose humerus is 34 cm long.

Click here to see answer by vleith(2825)

Question 158599: The function, p(d)=1+d/33, gives the pressure, in atmospheres (atm), at a depth d in the sea (d is in feet). Not that p(0)=1 atm, p(33)=2, and so on. Find the pressure at 150 ft.
The pressure at 150 ft is ____ atm.
Click here to see answer by vleith(2825)

Question 158600: Find the indicated outputs for f(x)=5x squared - 5x.
f(0)=
f(-1) =
f(2) =
Click here to see answer by vleith(2825)

Question 158603: Find the domain of the function.
g(x)=3/8-3x

Click here to see answer by gonzo(654)

Question 158615: How can I graph the function , find the slope, and identify the x- and y-intercept?
Click here to see answer by checkley77(12569)

Question 158596: Given teh function H described by h(x)=6x, find each of the following:
a) h(-3)
b) h(2)
c) h(28)

Click here to see answer by checkley77(12569)

Question 158744: Fill in the missing values in the function table:
Input(x) Output (y)
x=1 y=8
x=2 y=14
x=3 y=Unknown value
x=Unknown value y=24
x=Unknown value y=28
x=6 y=Unknown value
Please help me. I am stumped!
Click here to see answer by stanbon(57282)

Question 158780: How do i find the equation of a line, for example a line through points (1,-6) and (4,3). I have no idea how to find the equation, thanx to a few absences.
Thank you,
John
Click here to see answer by gonzo(654)

Question 158702: Please help me on this problem
Mang Jose wants to enclose a rectangular lot beside a river with 120 meters of barbed wire. The side along the river will not need fencing.
a. Express the lot area in terms of its length.
b. Construct a table of values and test if the relation is quadratic or not.
Click here to see answer by ankor@dixie-net.com(15645)

Question 158933: A dog breeder has (3x-12) Shetland sheepdogs and (2x+6) collies. Half of the collies and two-thirds of the sheepdogs are blue merles. Which expression gives the total number value of blue merles that the breeder has?
A)5x-6
B)2.5-3
C)3x-5
D)2x^2-2x-24
Click here to see answer by checkley77(12569)

Question 158991: How to do you graph the problem with a function like this y=21-2x
Click here to see answer by checkley77(12569)

Question 159116: Solve the equation
:3s -3: = :s-1:
Click here to see answer by stanbon(57282)

Question 159109: The question states "Maximizing Revenue- A large hotel is considering the following group discount on room rates. The regular price for a room is $120, but for each room rented the price decreases by $2 per room. ie. one room costs 118, 2 rooms cost $116 X 2=232 and so on.
a)What is the maximum revenue?
b) What is the number of rooms that should be rented?
This questions comes from "College Algebra with Modeling and Visualization" Gary Rockswold, 3rd edition, section 3.1
Thank you,
Jessica
Click here to see answer by nerdybill(6951)

Question 159111: evaluate the function for the given value. g(n-6) if g(x)x^2-3
-----
4x
Click here to see answer by midwood_trail(310)

Question 159185: Analyze the graph of the following function. Give Domain, Range and Asymptotes.
y = (2x + 4) / (x - 1).

Click here to see answer by stanbon(57282)

Question 159268: The cost p, in dollars, of having a dinner party catered by Elain's Kosher Catering Company can be approximated by the functon p(d)=60=15p, where p is the number of people attending the party. The banquet hall where the dinner wil be located can hold no more than 150 people. Find the domain of the function.
Click here to see answer by checkley77(12569)

Question 159324: please help me find the domain of this function:
G(x) = -1 (if x <= -1)
3x+2 (if |x| < 1)
7-2x (if >= 1)

Click here to see answer by aka042(26)

Question 159317: Please help me solve this function:
(fg)(x) f(x) = 1/x, g(x) = x-3
Click here to see answer by Fombitz(13828)

Question 158959: Hello I need help with this question,
YOu are an employee at an electronics store. Employees get a 20% discount sale on all items. You also have a coupon worth $10 off any item in the store on items greater than $50.
1.) let x represent the original price of an item. Write a function for the coupon's discount $10 off
this is what I have ... f(x)=x-10 but my mother keeps saying a greater than sign has to be included and her answer...is f(x)=(x>50)-10
2.)write a function for the employee discount of 20% off.
this is what I have...f(x)=(.20*x)-x
Click here to see answer by Fombitz(13828)

Question 159409: I can't see how I'm supposed to get an answer out of this.
What values are excluded from the domain of the function?
f(x)=
1
___
x-1 How do I find a value?

Click here to see answer by edjones(7569)

Question 159415: What is the domain of
sqrt(8-sqrt(8-x))
Click here to see answer by Fombitz(13828)

Question 159450: My little sister is currently taking Algebra 1 and is having trouble with a problem so she asked me, but even though I'm really good at Pre-Cal and all I am having trouble remembering how to do the simplest problem. So I could really use your help.
y=1/3x Find the Domain
Thank you,
Cali
Click here to see answer by scott8148(6628)

Question 159498: R=pV/nT for p
Click here to see answer by Alan3354(30993)

Question 159496: S=2~h for h
~ stands for pi I didn't know how else to write it
Click here to see answer by Alan3354(30993)

Question 159522: the question says solve the equation 12x + 5 = 14
Click here to see answer by checkley77(12569)

Question 159550: If f(x) is defined over [0,1] then what is the domain of the function f(2x+3)?
Click here to see answer by stanbon(57282)

Question 159618: what is the formula for finding the area of a circle?
Click here to see answer by checkley77(12569)

Question 159713: rewrite 10x-5y=15,so that y is a function of x.
Click here to see answer by checkley77(12569)

Question 159718: rewrite 4x+2y=10, so that y is a function of x

Click here to see answer by checkley77(12569)

Question 159719: rewrite 6x+3y=9, so that y is a function of x
Click here to see answer by checkley77(12569)

Question 159724: rewrite 8x+2y=14 so that y is a function of x

Click here to see answer by nerdybill(6951)

Question 159727: rewrite 8x+2y=14 so that y is function of x
Click here to see answer by solver91311(16872)

Question 159730: what is f(-5)=
Click here to see answer by solver91311(16872)

Question 159726: rewrite 14x-7y=21 so that y is function of x
Click here to see answer by midwood_trail(310)

Question 159723: rewrite 14x-7y=21 so that y is a function of x
Click here to see answer by edjones(7569)

Question 159721: rewrite 14x-7y=21, so that y is a function of x
rewrite 8x+2y=14, so that y is a function of x
Click here to see answer by Alan3354(30993)

Question 159882: find the doman of the function:
y=2 / x-1 =
or y= 3x / 4 =
Click here to see answer by jim_thompson5910(28536)

Question 159936: Find the slope, it it exists, of the line containing the pair of points.
(-16,-2) and (-17, -18)
The slope m= ______
Click here to see answer by jim_thompson5910(28536)

Question 159956: Find an equation of the line having the given slope and containing the given point.
m= 5/6, (1, -7)
The equation of the line is y=____
(Simplify your answer. Use integers or fractions for any numbers in the expression)
Click here to see answer by Alan3354(30993)

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