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

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Question 1113983: Kindly help me solve This, let g(x)=xcubed + 5x-15,solve g(-4) and g(x-1)

Click here to see answer by josgarithmetic(39618)

Question 1114029: please I need help with these two questions
Describe the graph of each equation (shape, location by quadrants, etc.) � each equation a function or not? Why or why not?
Use the vertical line test
State the domain and range for each relation in interval notation
Perform the transformation of one of the graphs as indicated in the prompt and write the new equation .
first question is f(x)=-2x+4
second question is y=|x|-4

Click here to see answer by stanbon(75887)

Question 1114106: What happens when a stationary point is outside a domain?
Click here to see answer by Theo(13342)

Question 1114265: The point (-2,7) is on the graph of y=f(x). Find the corresponding point on the graph of g(x) = f(-2x) + 5.
Click here to see answer by ikleyn(52797)

Question 1114358: Find f ∘ g, g ∘ f, and g ∘ g.
f(x) = 2x + 5, g(x) = 5 − x
(a)
f ∘ g

(b)
g ∘ f

(c)
g ∘ g

Click here to see answer by Alan3354(69443)

Question 1114357: Find the following.
f(x) = 5x − 5, g(x) = 4 − x
(a) (f + g)(x) =

(b) (f − g)(x) =

(c) (fg)(x) =

(d) (f/g)(x) =
What is the domain of
f/g?
(Enter your answer using interval notation.)

Click here to see answer by Alan3354(69443)

Question 1114569: Find the domain for 2�x^3-64
Click here to see answer by josgarithmetic(39618)

Question 1114572: Let f(x)=2x+1, g(x) = x^2 and h(x) = cubed root of x. Determine:
(fogoh)(x).
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Question 1114660: im having issues with these type of problems

Click here to see answer by Alan3354(69443)

Question 1114728: Which of these is not a periodic function
a) y= -cos x
b) y= 3 + sin x
C) y= x^2-2
d) y= sin x
Click here to see answer by josgarithmetic(39618)

Question 1114869: The volume of a sphere as a function of its radius is given by V(r)=4/3 pi r^3. The surface area of a sphere is given by A = 4pi r^2.
a) find the volume V as a function of the surface area, A. Simplify your answer as much as possible.
b) Find the surface area, A, as a function of the volume V. Simplify your answer as much as possible.
Click here to see answer by josgarithmetic(39618)

Question 1114953: The area of a playground is 168 𝑦𝑑2.
The width of the playground is 2 𝑦𝑑 longer than its length. Find the length and width of the playground.
Click here to see answer by Alan3354(69443)

Question 1114874: a) There is a linear relationship between the wind speed, s, in mph, for hurricanes and the barometric pressure, b, in millibars, mb. Use the points (950, 110) and (1000, 50) to write a linear function that defines the wind speed as a linear function of the barometric pressure.
b) interpret the slope in the context of the problem.
c) interpret the y-intercept in the context of the problem.

Click here to see answer by ankor@dixie-net.com(22740)

Question 1114962: a) There is a linear relationship between the wind speed, s, in mph, for hurricanes and the barometric pressure, b, in millibars, mb. Use the points (950, 110) and (1000, 50) to write a linear function that defines the wind speed as a linear function of the barometric pressure.
b) interpret the slope in the context of the problem.
c) interpret the y-intercept in the context of the problem.
Click here to see answer by josgarithmetic(39618)

Question 1114879: So initial velocity component in the x direction is equal to u*sin(angle). In the y direction = u*cos(angle). What would it be in the z direction? Where u is the initial velocity.
Click here to see answer by Fombitz(32388)

Question 1115250: Mr. Hall will use fencing to build a rectangular pen to hold his goats. He plans to use exactly 400 feet of fencing. Which function gives the area, A, of the pen based on its width, w?
How to I figure this out?
Click here to see answer by addingup(3677)

Question 1115316: It takes Miranda 0.5 hours to drive to work in the morning but it takes her 0.75 hours to drive home from work in the evening. Which equation best represents this information if she drives to work at a rate of r miles per hour and drives home at a rate of v miles per hour?

Click here to see answer by josgarithmetic(39618)

Question 1115594: Express the given function h as a composition of two functions f and g so that h(x)=(f o g)(x), where one of the functions is 7x-3.
h(x)=(7x-3)^8
f(x)=
g(x)=
thank you!!!
Click here to see answer by MathLover1(20850)

Question 1115626: Express the given function h as a composition of two functions f and g so that h(x)=(f o g)(x), where one of the functions is 7x-3.
h(x)=(7x-3)^8
f(x)=
g(x)=
Please help :( I have no idea how to do this, thank you for your help
Click here to see answer by josgarithmetic(39618)

Question 1115652: The function f(x)=7x+3 is one-to-one.
Find an equation for f^-1(x), the inverse function
f^-1(x)=?
Click here to see answer by josgarithmetic(39618)

Question 1115651: Find a formula for the inverse.
f(x)=6x
f^-1(x)=
thank you!!!
Click here to see answer by josgarithmetic(39618)

Question 1115669: Find the inverse of f(x)=x-1/x.
Click here to see answer by josgarithmetic(39618)

Question 1115678: The function f(x)=x+19 is one-to-one.
Find an equation for f^-1(x), the inverse function.
f^-1(x) = ?
Thank you!!!

Click here to see answer by Alan3354(69443)

Question 1115678: The function f(x)=x+19 is one-to-one.
Find an equation for f^-1(x), the inverse function.
f^-1(x) = ?
Thank you!!!

Click here to see answer by greenestamps(13200)

Question 1115854: root over 1 and once again inside it root over 1-x squared all is and root
Click here to see answer by josgarithmetic(39618)

Question 1116221: f(0)=2*1.5^0=2
Click here to see answer by Alan3354(69443)

Question 1116525: Lisa saw a funny cat video on a website and checked every day to see how many views it had.The first day had 120 views, the second day had 360 views and the third day had 1,080 views.Assuming this pattern continues, write a function that can model the number of views Lisa�s cat video has on day x.
Click here to see answer by stanbon(75887)

Question 1116652: The function f(x)=0.35x+13.7 can be used to predict diamond production. For this function, x is the number of years after 2000, and f(x) is the value (in billions of dollars) of the year's diamond production. Use this function to predict diamond production in 2007.
Click here to see answer by josgarithmetic(39618)

Question 1116678: I am given a term and the common difference of an arithmetic sequence a21 = -1.4 as the term and the difference is d = 0.6. I have to find the recursive formula and the 3 terms in the sequence after the last one given. I have tried but it doesn�t solve right. Isn�t the recursive formula ?
Click here to see answer by ikleyn(52797)

Question 1116681: ``I am given a term and the common difference of an geometric sequence a21 = -1.4 as the term and the difference is d = 0.6. I have to find the recursive formula and the 3 terms in the sequence after the last one given. I have tried but it doesn�t solve right. Isn�t the recursive formula ?''.

Click here to see answer by ikleyn(52797)

Question 1116794: The graph of any direct variation always contains the point (0,0). true or False
Click here to see answer by ikleyn(52797)

Question 1116997: Find the values of x for which f(x) = g(x).
1. f(x) = x2 + 2x + 1, g(x) = 6x − 2
2. f(x) = x4 − 18x2, g(x) = 18x2

Click here to see answer by Alan3354(69443)

Question 1117120: Given that f(x) = 6x � 3, find the following:
(f^-1)(x) =
f(2) =
(f^-1)(-5) =
Thank you!
Click here to see answer by josgarithmetic(39618)

Question 1117120: Given that f(x) = 6x � 3, find the following:
(f^-1)(x) =
f(2) =
(f^-1)(-5) =
Thank you!
Click here to see answer by greenestamps(13200)

Question 1117167: The function is defined y two equations. The equation in the first row gives the output for negative numbers in the domain. The second row equation gives the output for non-negative numbers in the domain. Find the indicated function values
f(x) = 3x + 2 if x is less than 0
6x + 7 if x greater than or equal to 0
a) f(-6) b) f(0)
c) f(7) d) f(-100) + f(100)
Click here to see answer by Fombitz(32388)

Question 1117201: if it is given that f(x)=x^2-5x-14,please help me to determine the value of k, for which f(x)=k will have two unequal positive real roots
Click here to see answer by Alan3354(69443)

Question 1117306: If f(x)=2x-4 find f(q+1)

Click here to see answer by josgarithmetic(39618)

Question 1117306: If f(x)=2x-4 find f(q+1)

Click here to see answer by solver91311(24713)

Question 1117354: http://nowyouknow/ - Bing

Click here to see answer by Shin123(626)

Question 1110864: X=1,2,3,4 Y=5,7,9,11

Click here to see answer by Shin123(626)

Question 1105304: Dippin' Dots cost $4.25 each What are the 2 variables
Click here to see answer by Shin123(626)

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