12/13/17

Even function?

Why ((x-1)^2)^(1/3)+((x+1)^2)^(1/3) is an even function?

exponential growth

The population of rabbits in a forest follows the law of exponential growth. If 90 rabbits are present initially and there are 180 after 3 years, how many will there be in 4 years?

Find the value of each of the following

solve    82x+1=162x-3     find the value of Of each of the following, giving your answer an integer   Log62-Log612    

12/12/17

If Z and R are both inverse of matrix A, prove that Z=R

If Z and R are both inverse of the matrix A, prove that Z=R

12/11/17

Find the length of the arc of the curve from the origin to the nearest point where there is a vertical tangent line

A curve is defined by the parametric equations    x= 1 to t ∫ (cosu)/(u) du   y= 1 to t ∫ (sinu)/(u)  du   Find the length of the arc of the curve from the origin to the nearest point where... more

12/10/17

find the limit as n approaches infinity of ∑n j=1 (7j+2)/ n^2

Solution pleae

Write as a single logarithm: log32/log2

Write log32/log2 as a single logarithm

12/10/17

Prove if each of the following transformations is linear or non-linear.

E(x,y) = (x+2, y-3)   and    F(x,y) = 2y-x

How do I solve the differential equation x-4y(x)*y'(x)*(x^2+1)^(1/2)=0 with the initial condition: y(0)=10.

When I solve it with separation I get to a point where y^2=5/2(x^2+1)^(1/2)+C but then I get two solutions and then my equation gets messy when trying to solve for the constant C with the initial... more

12/08/17

An equation is given. Let k be any integer.

2/√3 cos(3θ) = 1   (a) Find all solutions of the equation.   (b) Find the solutions in the interval [0, 2π).

Calculus Question

Consider the definite integral ∫13  (-4x-5)dx  Find a closed form expression for the nth right Riemann sum of this integral.                                                        4               ... more

The second and the fifth terms of a geometric sequence are 28 and 1792, respectively.

Which term of the sequence is 28,672?

12/05/17

log 3base 7(3x^4) help with logorithmic differentiation

Can someone please help me with this and take me through step by step i have a test on this tommorow 

Through (10-8) and (-1,2)

a. 18x-3y=12 b. -18x+3y=12 c. 10x+11y=12 d. -10x+11y=12

12/03/17

Find the 24th term a,=7 d,=3

How do I solve this?

12/03/17

find the sum of the geometric series 9+3+1+...+1/27

my question is about geometric series that i dont understand one thing about.

12/02/17

Good question

cosec theta-sin theta =m sec theta-cos theta =n Show: (m^2 n) ^2/3 + (mn^2)^2/3=1    

12/01/17

Find the limit where t approaches infinity

What is lim[t -> infinity]  (5t2 + 8t + 1)/(2 - 6t - 3t2)

11/30/17

a is 30% of b an b is 90% of c what percentage of c is a

please help me with this

Find the indicated term of the arithmetic sequence with the given description.

The first term is 3580, and the common difference is −16. Which term of the sequence is 2860?  N=

11/30/17

the line y=mx+c is reflected in the x axis and then the y axis, what is the equation of the new line?

uhfuwifgyu3gfbhuiqgfugfurjqf3efhui, 

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