Tutors Answer Your Questions about Functions (FREE)
Question 124237: Can you plese help me answer this question?
Given that the volume V of a circular cylinder of fixed height is profortional to the square of its radius r, we may write this formula as a power function as follows.
My answer options are:
A. V=ksqrt(r)
B. V=kr^2
C. V=kr
d. V=k^2r
Please help, I highly appreciate it. Thanks
Click here to see answer by Earlsdon(6294)  |
Question 124267: I'm stumped, can you help me answer this question?
The zeros of the function f(x)=3x^2+4x-4 can be found by factoring as follows: (x+2)(3x-2)
Is this True or False?
Your help is very well appreciated. Thank you so much.
Click here to see answer by MathLover1(20849)  |
Question 124267: I'm stumped, can you help me answer this question?
The zeros of the function f(x)=3x^2+4x-4 can be found by factoring as follows: (x+2)(3x-2)
Is this True or False?
Your help is very well appreciated. Thank you so much.
Click here to see answer by josmiceli(19441)  |
Question 124266: I'm stumped, can you help me answer this question?
The zeros of the function f(x)=3x^2+4x-4 can be found by factoring as follows: (x+2)(3x-2)
Is this True or False?
Your help is very well appreciated. Thank you so much.
Click here to see answer by MathLover1(20849) |
Question 124270: If y varies inversely as  , and  , what is the constant of variation? I have sought help from others and they went through a lot of work to unfortunately not find an answer, unfortunately I don't have the paper she worked on but the formulas left me with a migraine. Any help would be appreciated. with this problem done I can finally graduate.
Click here to see answer by scott8148(6628)  |
Question 124378: Can someone please help me with this problem?
The last line of synthetic division for (2x^4-5x^3+7x^2-3x+1)/(x-3) gives coefficients for the quotient of 2,1,8,21.
Is this true or false?
I thought the answer was false. Am I right please help!!!
Click here to see answer by jim_thompson5910(35256) |
Question 124378: Can someone please help me with this problem?
The last line of synthetic division for (2x^4-5x^3+7x^2-3x+1)/(x-3) gives coefficients for the quotient of 2,1,8,21.
Is this true or false?
I thought the answer was false. Am I right please help!!!
Click here to see answer by Edwin McCravy(20054)  |
Question 124580: Find the value for the function NEED TO FIND F(2X) WHEN F(X)
(I am not able to type the math symbols for sq rt)PROBLEM READS SEVEN X SQ PLUS 4 X UNDER THE SQ RT SYMBOL,
This is a take home quiz
I think you substitute x w/ (2x)....ex 7(2x)2 + 4(2x)= 28x2=12x
SORRY IF THIS IS TOO CONFUSING....THANKS FOR YOUR HELP
lIVEY
Click here to see answer by stanbon(75887) |
Question 124608: Can someone please help me with this problem?
A sign pattern chart may be used to solve (x^2+3x-10)/(x^2-6x+9)>0. This sign patterns chart partitions the domain based on the factors
My answer options are:
a.(x+5)and(x-3)
b.(x+5)and(x-3)^2
c.(x+5),(x-2),and(x-3)
d.(x-5),(x+2),and(x+3)
Please help me answer this question as soon as possible. Thank you.
Click here to see answer by stanbon(75887) |
Question 124608: Can someone please help me with this problem?
A sign pattern chart may be used to solve (x^2+3x-10)/(x^2-6x+9)>0. This sign patterns chart partitions the domain based on the factors
My answer options are:
a.(x+5)and(x-3)
b.(x+5)and(x-3)^2
c.(x+5),(x-2),and(x-3)
d.(x-5),(x+2),and(x+3)
Please help me answer this question as soon as possible. Thank you.
Click here to see answer by Edwin McCravy(20054) |
Question 124614: Would someone be able to help me with this problem?
The solution to the inequality x^3-4x^2-x+4(
My answer options are:
a.[1,4]
b.(-infinity,-1]U[1,4]
c.[4,infinity)
d.[-1,1]U[4,infinity)
I thought the answer was a.,is this correct? Please help as soon as possible!!!
Click here to see answer by stanbon(75887) |
Question 124605: Can someone please help me a.s.a.p?
The solutions to ((1)/(x+2))-((2)/(x-1))>0
My answer options are:
a.(-infinity,5)U(1,infinity)
b.(-infinity,-5)U(-2,1)
c.(-5,-2)U(1,5)
d.(-2,1)U(5,infinity)
I thought the answer was b., what do you think? Thanks
Click here to see answer by Edwin McCravy(20054) |
Question 124610: Can you please help me with this problem a.s.a.p?
The function f(x)=((x-1)/(x-4)sqrt(x+2)) is negative for x in
a.(1,4)
b.(-infinity,4)
c.(-infinity,1)
d.(4,infinity)
I think the answer is b.,am I right? Please help as soon as possible.
Click here to see answer by bucky(2189) |
Question 124870: Find f of each given value of x.
f(x)=3x-2
f(x)=3x2+4x-2 (the 2 after the first x is suppose to mean squared)
Could you please show me the process of completing this?
Here is what I have tried;
f(x)=3x-2
f(8)=3-8-2
f(8)=22
Click here to see answer by solver91311(24713)  |
Question 125407: I have tried and tried to solve this and another problem. I am in college and on the Dean's list but for some reason I cannot solve this problem, PLEASE HELP!!!!
Page 129
#32
Corral Design. A rancher has 360 yd of fencing with which to enclose two adjacent rectangular corrals. A river forms one side of the corrals (lengthwise). Suppose the width of each corral is x yards.
A. Express the total area of the two corrals as a function of x.
B. Find the domain of the function.
Please help ASAP. thank you so much.
Click here to see answer by josmiceli(19441) |
Question 125461: Can someone please help me with this problem?
Without using your graphing calculator, determine the zeros of the funtion y=(1/2)sinx
Answer options:
a.k(pi), where k is any integer
b.((k(pi))/2, where k is any odd interger
c.2k(pi), where k is any integer
d.((k(pi))/4, where k is any odd integer
I don't understand, at all, how to do this. Please get back to me as soon as you can, thank you!!!!!
Click here to see answer by uma(370) |
Question 125688: Hi I am working on this problem I don't understand. Hopefully you can help me. The chapter is function operations, dividing functions. Here's the question..
Let f(x)=3x^2-2x and g(x)=x-6. Find each value.
(f/g)(-1)
Thanks
Click here to see answer by stanbon(75887) |
Question 125868: The formula for calculating the amount of money returned for an initial deposit into a bank account or CD (certificate of deposit) is given by
A is the amount of the return.
P is the principal amount initially deposited.
r is the annual interest rate (expressed as a decimal).
n is the number of compound periods in one year.
t is the number of years.
If a bank compounds continuously, then the formula used is
where e is a constant and equals approximately 2.7183.
Calculate A with continuous compounding. Round your answer to the hundredth's place.
Answer:
Show work in this space:
e) A commonly asked question is, “How long will it take to double my money?” At 8% interest rate and continuous compounding, what is the answer? Round your answer to the hundredth's place.
Answer:
Show work in this space:
Click here to see answer by stanbon(75887) |
Question 126702: Hey again..
I'm working on the section inverse relations and functions and have a question. Heres the problem.
Find the inverse of the function y=4x-7. Is the inverse a function?
I found the inverse... its y=x+7/4 I just dont know if its a function or not?
Thank you for helping
Click here to see answer by stanbon(75887) |
Question 126702: Hey again..
I'm working on the section inverse relations and functions and have a question. Heres the problem.
Find the inverse of the function y=4x-7. Is the inverse a function?
I found the inverse... its y=x+7/4 I just dont know if its a function or not?
Thank you for helping
Click here to see answer by bucky(2189) |
Question 126704: Hello
I have a question on my homework about inverse relations and functions. this is the question.
Find the inverse of y=sqrtx+9 Is the inverse a function?
I think i found the 1st part which is y=x^2-9 but i dont know if the inverse is a function?
Thanks for the help!
Click here to see answer by stanbon(75887) |
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