I need to find the average rate of change
in 1875 the number of high school dropouts in a country was 5217 thousand. by 2003, this number has decreased to 3118 thousand. find and interpret the average rate of change per year in the number...
more
09/19/16
Find the domain and range of the following: 1/3f(x-3)
Let the domain of f(x) be [-1,2] and the range be [0,3].
how do i write g(x)=x^2+7x+2 in vertex form
i need to change that equation into vertex form
09/18/16
Limits Help
Im pretty sure the first one is a composite limit and the next i just have to find the limit
lim(x→0) [cos?(x)]/[ln?(sin?(x) )]
lim(x→∞) [(e^x)/(1-e^x )]
lim(x→-∞)...
more
09/18/16
Calculus question? Half-lives? Please help!!
A building is found to contain a radioactive gas. Thirty hours later, 60% of the initial amount of gas is still present. (Note: Use the concepts of half-life or doubling time.)
(a) Write a...
more
09/18/16
A square and an equilateral triangle have a combined perimeter of 101 inches.
A square and an equilateral triangle have a combined perimeter of 101 inches. The side length of the triangle is 8 inches less than twice the side length of the square. What is the perimeter of the...
more
09/17/16
if x varies directly as the sum of reciprocals of y and z, and x=7 when y=2 and z=5. find the value of y when x=20 and z=2.
if x varies directly as the sum of reciprocals of y and z, and x=7 when y=2 and z=5. find the value of y when x=20 and z=2.
09/17/16
Limits, how do I find the horizontal asymptotes?
For f(x)= (sqrt36x4+7)/(9x2+4)
I am really lost
Follows
•
3
Expert Answers
•2
![]()
09/17/16
Variation Questions
1. The number of hours required to build a fence is inversely proportional to the number of people working on the fence. If it takes 2 people, 99 hours to complete the fence, then how long will it...
more
09/17/16
Solving limits without hopital rule
Hi, I need help understanding how to solve for:
a) lim as x tends to 0 (sin|x|)/(x)
b) lim as x tends to 0 (sinx)^3/ x^2
09/17/16
The question is below. Please help thanks!
Factor the polynomial or expression. (If a polynomial is irreducible, enter IRREDUCIBLE.)a^4t^6 + b^4t^6 − cb^4 − ca^4
09/17/16
Find the specified function. (g ? f)-1
Use the functions f(x) = x + 3 and g(x) = 2x − 1 to find the specified function.
(g o f)-1(g o f)-1(x) = ?
Follows
•
3
Expert Answers
•2
![]()
09/16/16
What is the integral of t^5/v(t^2+7) dt ?
I got an answer but not sure about it. Thanks.
Follows
•
3
Expert Answers
•2
![]()
09/16/16
Integrate improper integral from 3 to 2 of 1/square root of 3-x
Does it converge or diverge? I got 2 and therefore converges.
Follows
•
3
Expert Answers
•2
![]()
09/16/16
College Algebra
1 a) Solve: -5x - 4 > 4 (2x - 5)
b) Solve: x^2 < 9
c) Solve: x -3 < 0
x + 5
09/16/16
College Algebra
1 a) Solve: the square root of x + 2 - x = 2 (only the x + 2 is under the square root)
b) Solve: 10 = 1
4x - 4 1 - x
c) Solve: 10x^-2...
more
Follows
•
3
Expert Answers
•2
![]()
09/16/16
How do I solve these limits
lim as x tends to pi/4 ( sinx-cosx)/(tanx-1)
lim as x tends to pi/2 ( secx-tanx)
09/16/16
Find the equation of the perpendicular line passing through the midpoint of the line segment connecting (-2, 5) and (1, 1).
help, basic algebra graphing question
A bottle of soda is 5/8 full. If John drunk 2/5 of its content, what part of the bottle now has soda?
This is a basic fraction word problem but im a bit confused with my answer. help me understand with your solution/explanations
09/15/16
When number is decreased by 30% of itself, the result is 77. What is the number?
When number is decreased by 30% of itself, the result is 77. What is the number?
Follows
•
3
Expert Answers
•3
![]()
![]()
09/15/16
Find the real or imaginary solutions to 7x^2-2=0 using the quadratic formula
I know the basic concept but cant do this one
Follows
•
3
Expert Answers
•2
![]()
09/14/16
How does sinxcosxtanxcotxsecxcscx=1
I am learning about trigonometry identities
Follows
•
4
Expert Answers
•3
![]()
09/14/16
How can i answer this progression question?
the 8th term of an arithmetic progression is 5 times the 4th term.If the second term is -3, find
(a) the common difference
(b)the first term
Still looking for help? Get the right answer, fast.
Ask a question for free
Get a free answer to a quick problem.
Most questions answered within 4 hours.
OR
Find an Online Tutor Now
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.