hala718
hala718
Female
December 1, 2008
Teacher
High School - 11th Grade
Mathematics
University of Phoenix-Online Campus - Phoenix, AZ, US (2008 - 2009)
Math, Computer, Educational technology.
Biography
Bachelors degree in math, Masters degree in Education.
New Activity for hala718
Answered a Question in Math
Given the function: `f(x)= 4x^2 - x - 3` We need to find the domain of the...
Answered a Question in Math
We need to determine that: `x+ (1/2)ln(x^2+2) - (sqrt2)arctan(x/sqrt2)` is...
Answered a Question in Math
First we will have to isolate y on the left side. `==gt 7x^2 + 3y^2 =...
Answered a Question in Math
`int_-2^0 (1/(1-2x+x^2)) dx` First we will factor the denominator. ==>...
Answered a Question in Math
We need to find the maximum area that can be enclosed in the rectangular area with...
Answered a Question in Math
`e^(xy) = x^2+y - 3` We will use explicit differentiation to find y'. ==>`...
Answered a Question in Math
`lim_(x->16) (16-x)/(sqrtx - 4)` First we plug in x= 16 ==> lim = 0/0...
Answered a Question in Math
Given that: `f(x)= 3x^2` g(x)= l 2x-1 l We need to find the value of...
Answered a Question in Math
`y=(log_2 x) /(1+x^2)` ==> Use the quotient rule to find the derivative....
Answered a Question in Math
`y= (1+e^t) ln t` We need to find the derivative `(dy)/(dt)` ==> We will use...
Answered a Question in Math
`f(x)= (3x^2+1)/(e^(2x))` To find the derivative, we will use the qoutient rule....
Answered a Question in Math
Let the dimensions of a rectangular prism is L * W * H. Then, the surface area is:...
Answered a Question in Math
Answered a Question in Math
Let the number of trees be T and the number of plants be P. The cost for the trees...
Answered a Question in Math
`int (e^(2y) +1)/(e^(2y)) dy` `= int (e^(2y))/e^(2y) + 1/e^(2y) dy` `= int 1 +...
Answered a Question in Math
y= 16(0.25)^x The exponential equation represents an exponential decay because the...
Answered a Question in Math
First we will take each denominator and rewrite as factors. ==> `3x^2 y`...
Answered a Question in Math
`y= log_2 x + log_2(x+6)` We need to find the equation of the tangent line when x=...
Answered a Question in Math
First we will find the points of intersection between the line `y=2` ...
Answered a Question in Math
Given the equation: `3x^2 - x = 56` ==> `3x^2 -x -56= 0` We have a...
Answered a Question in Math
Let the numbers of cars in the first case is x and the number of cars in the...
Answered a Question in Math
We need to find the area bounded by the line y= 4 and (1-x) in the second...
Answered a Question in Math
f(x)= ax^2+bx + c f(0) = 0 ==> c = 0 f(12)= 0 ==> 144a+12b= 0==>...
Answered a Question in Math
`k^2 = 76` `==gt k= +-sqrt76 ` Now we will factor 76. ==> 76 =...
Answered a Question in Math
Let the amount of the first tea to be mixed is x and the second be y. ==> The...
