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

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Question 1057055: If a function f has an inverse and f(-3)=14, then f^-1(14)=
Click here to see answer by stanbon(75887)

Question 1057055: If a function f has an inverse and f(-3)=14, then f^-1(14)=
Click here to see answer by MathTherapy(10552)

Question 1057082: Given f(x)=x/(x-1) , g(x)=(2x-4)/x find the following
a) (f�g)(0)
b) (g�f)(-2)
c) (g�g)(-3)
Click here to see answer by stanbon(75887)

Question 1057054: If the point (1,2) is the on the graph of the function f, then what point must be on the graph of f^-1?
Click here to see answer by Edwin McCravy(20056)

Question 1057168: y=3
2x=-11
4x + 3y= -12
Click here to see answer by Alan3354(69443)

Question 1057914: h(x)=-2x^7-5x^6+3x^3-2x+17
describe the end behavior
give the maximum number of zeros h(x) can have
give the maximum number of turning points h(x) can have
Click here to see answer by Boreal(15235)

Question 1057915: g(x)= -x^2 if x<=0
= -x if x >0
What is its domain and range? Asymptotes? X and y intercepts?
Click here to see answer by ikleyn(52794)

Question 1058187: he number of a certain type of bacteria increases to according to the model P(t) = 100e^0.01896t, where t is time in hours. Find P(10), and write your numerical answer only in the blank below. Give answers to the nearest tenth.
Click here to see answer by stanbon(75887)

Question 1058186: The number of a certain type of bacteria increases to according to the model P(t) = 100e^0.01896t, where t is time in hours. Find P(0), and write your numerical answer only in the blank below. Give answers to the nearest tenth.
Click here to see answer by stanbon(75887)

Question 1058185: "I am a 4-digit odd number where the sum of my digits Is 22. the difference between my first digit and my last digit is equal to my third digit. my second digit is twice my third digit. My first digit is the domain value of f(x)=9x+3 if it's corresponding range value is 66." What's my number?
Click here to see answer by Boreal(15235)

Question 1058190: Evaluate the expression loga1 and write your numerical answer only in the blank below. Here, a>0 and a is not equal to 1.
Click here to see answer by stanbon(75887)

Question 1058065: Find the natural domain of the function.http://www.pearsonsuccessnet.com/temp-images/testitems/1700965/itemimages/TBAT_PH_EN_MA_CME_A2_NA12_02_0002_1.png
Click here to see answer by Fombitz(32388)

Question 1058582: If f(x)=3x-5 and g(x)=y^2-1, then f(g(z))=?

Click here to see answer by math_helper(2461)

Question 1058580: If f(x)=3 and g(x)=2 then f(g(x))=?

Click here to see answer by solve_for_x(190)

Question 1058571: My dad enjoyed jogging at night. He would have his little MP3 player with him listening to either R&B, jazz, or news while he did this nighly ritual. In a hypothetical situation, Dad had exactly 14 hours and 5 minutes of audio content on his device. The linear equation 6x+4y+125=845 can help determine how many jazz songs, x, and how many R&B songs, y, Dad on his MP3 player. Based on this situation, how many R&B songs and jazz songs combined were on my dad's device if the number of songs for each genre was the same?
Click here to see answer by ikleyn(52794)

Question 1058701: Given that f(x)=(-2)/x for x<0, find f^(-1)(x).
How do you find this inverse?
Click here to see answer by josgarithmetic(39618)

Question 1058701: Given that f(x)=(-2)/x for x<0, find f^(-1)(x).
How do you find this inverse?
Click here to see answer by MathTherapy(10552)

Question 1058695: g(x)= x^2 -2 find range when domain is {-2,-1,1,3}
Click here to see answer by stanbon(75887)

Question 1058866: a flock of seagulls initially has 3 birds each week the same number of seagulls joins the flock in the 11th week there are 47 seagulls in the flock what function s(n) can be used to determine the number of seagulls in any week n
Click here to see answer by jorel555(1290)

Question 1059109: 6-m = -4
Click here to see answer by ikleyn(52794)

Question 1059094: Why is f(x)=|x+3| why is domain and range all real numbers
Click here to see answer by ikleyn(52794)

Question 1059319: Identify the axis of symmetry for the graph of f(x)= 4x^2-8x+4
Click here to see answer by josgarithmetic(39618)

Question 1059319: Identify the axis of symmetry for the graph of f(x)= 4x^2-8x+4
Click here to see answer by MathTherapy(10552)

Question 1059426: A fixed point of a function is defined as a value of x for which f(x)=x. Find the fixed point.

f(x)=3x+2
Click here to see answer by Fombitz(32388)

Question 1059506: Let f(x)=x^2 and g(x)=x-5 find:
a. (f o g)(x)=

b. (g o f)(x)=

c. (f o g)(-3)=

d. (g o f)(-3)=
Click here to see answer by stanbon(75887)

Question 1059505: Let F(x)=5x+3 and g(x)=(x-3)/5
a. (f o g)(x) =

b. (g o f)(x) =

c. (f o g)(-3) =

d. (g o f)(-3) =
Click here to see answer by josgarithmetic(39618)

Question 1059585: Each month, Ashley pays $40 for her cell phone bill plus $0.05 for each text message that she sends. Determine whether the relation between the number of text messages she sends, x, and the amount of her cell phone bill,y, is a function. If it is a function, identify the domain and range.
Click here to see answer by Boreal(15235)

Question 1059635: Carson charges $7 per hour for yard work.
Have to identify the independent and dependent variables AND write a rule in function notation.

I thought what he charges is dependent
Hours is independent.
Would LOVE some help.
cade

Click here to see answer by josmiceli(19441)

Question 1059828: find an equation of the circle whose diameter has endpoints (3, -5) and (3, 1).
Click here to see answer by josgarithmetic(39618)

Question 1059828: find an equation of the circle whose diameter has endpoints (3, -5) and (3, 1).
Click here to see answer by MathTherapy(10552)

Question 1059874: Find the domain of the following function F(x) = -6/(2x^2+x-6)
Click here to see answer by ikleyn(52794)

Question 1059941: \[f(x) = \frac{3x - 7}{x + 1}
Find the domain and range of $f$, give answer interval form.
Thank You!
Click here to see answer by josgarithmetic(39618)

Question 1060000: PLEASE PLEASE HELP Thank-you
A seagull flying in the air over water drops a crab from a height of 45 feet.The distance the grab is from the water as it falls can be represented by the function h(t)=-16t^2+45,where t is time measured in seconds.To catch the crab as it falls,a seagull flies along a path represented by the function g(t)=-13t+23
Click here to see answer by acw1213(28)

Question 1060082: What is the domain of f in interval notation if f(x) = ( x � 5 )^1/2?
Thanks.
��

Click here to see answer by jim_thompson5910(35256)

Question 1060284: if fx(3):2x-5.what is fx(4)

Click here to see answer by ikleyn(52794)

Question 1060675: Find the average value of the function f(x)= 3/2x over the interval [e^2,e^3]
Click here to see answer by Alan3354(69443)

Question 1060750: I have been stuck on this question for a while, thanks
What is the inverse of f if f(x) = 8x^3?
Click here to see answer by MathTherapy(10552)

Question 1060770: A man is running around a circular track 200m in circumference. An observer uses a stopwatch to time each lap, what is the man's average speed (rate) between 70's and 180's. Stop watch times: 70s to do 400m, 120s to do 600m, 180s to do 800m.
Click here to see answer by ikleyn(52794)

Question 1060797: Write a linear function f with f(4)=−3 f(4)=−3 and f(0)=−2 f(0)=−2.
Click here to see answer by Fombitz(32388)

Question 1060731: Identify the independent and dependent variables. Enter a function in function notation for the situation. Then use the function to solve the problem.

Bruce owns a small grocery store and charges $4.50 per pound of produce. If a customer orders 4 pounds of produce, how much does Bruce charge the customer?
Click here to see answer by jorel555(1290)

Question 1060939: State whether the function is a polynomial function or not. If it is, give its degree. If it is not, tell why not. f(x) = 9x^3 + 8x^2 - 6
a. No; the last term has no variable
b. Yes; degree 5
c. Yes; degree 3
d. Yes; degree 6
Click here to see answer by ikleyn(52794)

Question 1060940: Find the power function that the graph of f resembles for large values of |x|. f(x) = (x + 5)^2
a. y = x^10
b. y = x^25
c. y = x^2
d. y = x^5
Click here to see answer by ikleyn(52794)

Question 1060950: Answer the question about the given function.
Given the function f(x) = -2x^2 + 4x + 3, list the y-intercept, if there is one, of the graph of f.
a. -1
b. 3
c. -3
d. 5

Click here to see answer by josgarithmetic(39618)

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