09/12/18
What is the jump discontinuity of f(x)=8/(x^2+2)
What is jump, removable, infinite, other discontinuity
09/12/18
How many local extrema could a polynomial of degree n have?
i dont really get what this means
09/12/18
information on Lituya Bay please
i have to write a 450 word article on the Lituya Bay Tsunami and have only got 300 words, i can't find any information on it.
09/12/18
Algebra word problem
Two crews working toward each other are 13.75miles apart. One crew paves 1.3 lies of highway per day the other paces 1.2. How long will it take them to meet?
09/11/18
I'm not under standing how to write it out
I am bad at word problems and I was trying to see how do I write out....
A square flower bed is to be enlarged by adding 2 meters on each side if the larger square has an area of 196 square meters...
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09/11/18
how to write y=x^2 when is stretched vertically by a factor of 2, reflected across the x -axis, and then translated left 4 units, and up 3 units
graph shifts
09/11/18
If the ratio of complement of a and supplement of b is 1 : 3, then find the relationship between a and b
If the ratio of complement of a and supplement of b is 1 : 3, then find the relationship between a and b
09/11/18
A washing machine is marked up by 70% and sells for a price of $580. What was the original cost of the washing machine?
How do I work out the question?
09/10/18
solve the inequality in interval form x^2 + 81 < 18x
how do i solve this with an x on one side
09/10/18
Solve the inequality x^2 + 6x − 7 ≥ 0
i thought it was no solution because it has a denominator of 0 in the quadratic formula
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09/10/18
Let f(x)=x. Write a function g whose graph is a translation 3 units down followed by a reflection in the y-axis of the graph of f.
The answer need to be written in the form of g(x) = ?
09/10/18
Find the maximum Revenue function R(x)=379x-0.6x^2
How do I find max. Revenue Function with only two variables?
09/10/18
Graph f(x)=3x^2 using non-rigid transformations
I have a question that asks to graph a non-rigid transformation and i am not sure how to do it.
Question regarding integral of ln(2x+1) dx
∫ln(2x+1) dx; when I solve for this using u-sub with u = 2x+1, I get 1/2((2x+1)ln(2x+1) - (2x+1)) + C. However, when I solve for it using integration by parts, I get 1/2((2x+1)ln(2x+1)) - x + C....
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09/09/18
Right Angle Trigonometry
In traveling across flat land, you see a mountain directly in front of you. Its angle of elevation (to the peak) is 3.5°. After you drive 11 miles closer to the mountain, the angle of elevation is...
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09/09/18
h(×)=-2×^2-20×-50 what's the y and x intercept
h(×)=-2×^2-20×-50
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09/09/18
A centipede is crawling at a speed of 4 inches per minute. how long will it take the centipede to crawl one yard?
centipede
09/09/18
given that 5ab=c(a-5bc), make b the subject of the formula
please help i need the answer thank you
Find the values of a and b that make the function f(x) continuous and differentiable at x=1.
f(x) = {x^2 - 2x - a, x<1
{-x^2 + bx +2, x>=1
09/08/18
if f(x)=5^x , show that f(x+h)-f(x)/h=5^x(5^h-1/h)
f(x + h) − f(x)h = 5x + h − h = 5x5h − h = 5xh = 5x5h−1 h
09/08/18
If John is 42 and his nephew is 9, in how many years will his nephew be 1/4 of John's age? solve algebraically.
The answer is 2, but I don't know how to solve algebraically.
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