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

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Question 1061825: For a given input value q, the function g outputs a value r to satisfy the following equation.
-7q+12r=3q-4r
write a formula for g(q) in terms of q
Click here to see answer by josgarithmetic(39618)

Question 1061973: (X-7)/(9x (x+1))
Click here to see answer by Alan3354(69443)

Question 1061075: Find the indicated intercept(s) of the graph of the function.
x-intercepts of f(x) = 2x+7 / x-5
a. (5, 0)
b. (-7 / 2, 0)
c. (7 / 2, 0)
d. (-5, 0)

Click here to see answer by Fombitz(32388)

Question 1061070: Use the intermediate value theorem to determine whether the polynomial function has a zero in the given interval.
f(x) = -2x^4 + 2x^2 + 4; [-2, -1]
a. f(-2) = 20 and f(-1) = 5; no
b. f(-2) = -20 and f(-1) = 4; yes
c. f(-2) = 20 and f(-1) = -4; yes
d. f(-2) = -20 and f(-1) = -4; no

Click here to see answer by Fombitz(32388)

Question 1061028: Determine whether the rational function has symmetry with respect to the origin, symmetry with respect to the y-axis, or neither.
f(x) = (5x-15)(x-6) / x^2+18x-19
a. symmetry with respect to the y-axis
b. symmetry with respect to the origin
c. neither

Click here to see answer by Fombitz(32388)

Question 1061016: Determine algebraically whether the function is even, odd, or neither.
f(x) = x / x^2+2
a. even
b. odd
c. neither
Click here to see answer by Fombitz(32388)

Question 1062211: josh has 48 miles to his destination after 17 minutes of driving, and he has 36.4 to his destination after35 minutes of driving. How many miles will he have to his destination after 53 minutes of driving
Click here to see answer by josgarithmetic(39618)

Question 1062171: The function y=10x+100y=10x+100 represents the amount yy (in dollars) of money in your bank account after you babysit for xx hours.
a. Identify the independent and dependent variables.
The dependent variable is the amount of money in the bank account.
The independent variable is the hours you babysit.

b. You babysit for 4 hours. Find the domain and range of the function.
Click here to see answer by josgarithmetic(39618)

Question 1062368: a long wire of some length is cut into small pieces of 216 cm, leaves a small piece of length of 89 cm. if this part were cut into equal pieces each of 18 cm, the length of the leftover wire would be
(a) 19 (b) 27
(c) 17 (d) 34
Click here to see answer by josgarithmetic(39618)

Question 1062374: Suppose that the functions u and w are defined as follows.
u(x)=(x^2)+1
w(x)=sqrt(x+6)
Find the Following:-
(w.u)(3)=
(u.w)(3)=
Click here to see answer by stanbon(75887)

Question 1062367: a long wire of some length is cut into small pieces of 216 cm, leaves a small piece of length of 89 cm. if this part were cut into equal pieces each of 18 cm, the length of the leftover wire would be
(a) 19 (b) 27
(c) 17 (d) 34
Click here to see answer by Alan3354(69443)

Question 1062396: a boy has 728 rs denomination of 2 rs notes,5 rs notes and 10 rs nots in the ratio of 3:2:4,respectively. what is the number of notes he has?
Click here to see answer by ikleyn(52794)

Question 1062636: 2 1/4 was subtracted twice from a number; then 1/8 was subtracted three times and 2/3 was subtracted twice. The resulting number is 3 11/24 . Find the number
Click here to see answer by ewatrrr(24785)

Question 1062118: A table of values for the equation y=f(x) contains an x value of -6 and a corresponding y value of 12, as does a table of values for the equatio y=g(x). which of these must be the solution to the equation f(x)=g(x)
Click here to see answer by Edwin McCravy(20056)

Question 1062692: Solve by completing the square: 25x^2 + 40x - 9 = 0
Click here to see answer by josgarithmetic(39618)

Question 1062693: Solve using the square root property: 36x^2 + 12x + 1 = 18
Click here to see answer by ikleyn(52794)

Question 1062721: A newborn baby's weight is recorded each month, from the day of birth until 12 months. One baby's weights, in pounds, are recorded below:
7.20, 9.15, 11.01, 12.56, 14.04, 15.43, 16.52, 17.68, 18.77, 19.69, 20.22, 21.05, 21.90

What is the average amount of monthly weight gain, rounded to the nearest hundredth of a pound, each month?

Click here to see answer by Boreal(15235)

Question 1062813: if f(x)=2x-1 and g(x)=3x+2, then fg(-2)=?
Click here to see answer by ikleyn(52794)

Question 1062817: I apologise beforehand if this question does not fall under the appropriate topics.
Let C = {5r + 2 | r is an element of Z}, and
D = {10s - 3 | s is an element of Z}.
Is C a subset of D or D is a subset of C? Explain your answer.
Thank you for noticing and answering this question.
Click here to see answer by jim_thompson5910(35256)

Question 1062860: in a linear function f(x) with a graph that has a slope of -2.5, if f(5) =8,
what is the value of f(1)
Click here to see answer by josmiceli(19441)

Question 1062881: f(x)=-0.1-3
Click here to see answer by Alan3354(69443)

Question 1062928: true or false:
A straight line on a coordinate plane always represents a function.
The equation y=2x+1 represents a function.

Click here to see answer by ikleyn(52794)

Question 1063167: The owners of a recreation area are filling a small pond with water. Let
W
be the total amount of water in the pond (in liters). Let
T
be the total number of minutes that water has been added. Suppose that
=W+25T400
gives
W
as a function of
T
during the next
80
minutes.
Identify the correct description of the values in both the domain and range of the function. Then, for each, choose the most appropriate set of values.
Click here to see answer by Fombitz(32388)

Question 1063216: Evaluate f(x)=3^x over the domain (1,2,3,4). What is the range of f(x)?
Click here to see answer by stanbon(75887)

Question 1063294: Y=4x+8
Click here to see answer by ikleyn(52794)

Question 1063605: 3x^2 +3x =21. Solve this problem by using the quadratic formula. Show all work.
Thank you.
Click here to see answer by josgarithmetic(39618)

Question 1063605: 3x^2 +3x =21. Solve this problem by using the quadratic formula. Show all work.
Thank you.
Click here to see answer by ikleyn(52794)

Question 1063601: Use 3x^2 +3x =21 and use the discriminant to find the number of unique real solutions. Show all calculations.
Thanks very much.
Click here to see answer by josgarithmetic(39618)

Question 1063601: Use 3x^2 +3x =21 and use the discriminant to find the number of unique real solutions. Show all calculations.
Thanks very much.
Click here to see answer by ikleyn(52794)

Question 1063597: 3x^2 + 3x = 21. Solve by completing the square.Show all work and leave solution in simplest radical form.
Thank you.
Click here to see answer by MathTherapy(10552)

Question 1063838: What is the equation of the line, in standard form, that passes through (4, -3) and is parallel to the line whose equation is 4x + y - 2 = 0?
A.) 4x - y = 13
B.) 4x + y = 13
C.) 4x + y = -13
Click here to see answer by ikleyn(52794)

Question 1063964: f(100x+99)�(100x+99)
Find the remainder.
Click here to see answer by ikleyn(52794)

Question 1064038: Find the domain of the function. }
Click here to see answer by ikleyn(52794)

Question 1064038: Find the domain of the function. }
Click here to see answer by solver91311(24713)

Question 1064053: if f(x)=1/2x find f(x+h)-f(x)/h, h cannot equal 0
Click here to see answer by Alan3354(69443)

Question 1064137: Find the value for the function
find f(x+h) when f(x)= -3x+5 over 7x+4
(sorry, not sure you want to use "/" for fractions)
Click here to see answer by math_helper(2461)

Question 1064231: Find the value for the function.
Find f(x+1) when f(x)=x^2-4/x+4
Click here to see answer by Boreal(15235)

Question 1064277: what is the domain and range of ?

Click here to see answer by Edwin McCravy(20056)

Question 1064299: Please help me solve this question
The pressure P of a certain gas is related to volume V according to: P=100/V
(a) Is 0 in the domain of this function?
(b) What are P(100) and P(50)?
(c) As volume decreases, what happens to pressure?
Click here to see answer by Alan3354(69443)

Question 1064378: 75�-25�
Click here to see answer by Edwin McCravy(20056)

Question 1064333: if there is a function f and we know that f''(x)<>0 (f''(x) is not equal to 0) what does it mean for the f'(x) ?? (12th form student from Greece)
Click here to see answer by rothauserc(4718)

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