# Anna Allen

Precalculus teacher | Experienced educator in USA

Equipped with a specialization in Precalculus from California State University, Fresno, I am dedicated to demystifying the world of advanced mathematics. My journey involves unraveling the intricacies of precalculus, ensuring a clear path to mathematical proficiency for every student. Join me in exploring the fascinating realm of numbers and functions, where problem-solving becomes an exciting adventure. Together, we'll conquer the challenges of precalculus and build a solid foundation for future mathematical endeavors.

## Questions

What rate is necessary to double an investment of $4000 in 10 years?

Show that #f# has at least one root in #RR# ?

Suppose #0< a,b,c < 1# and #ab + bc + ca = 1#. Find the minimum value of #a + b + c + abc#?

How do you find the asymptotes for #f(x) = (2x-1) / (x - 2)#?

How do you solve the exponential equation #7^x=7^(2x-3)#?

How can i use an inverse matrix to solve this equation? -x + y= 4, -2x + y = 0

How do you determine if #4x^2 - 4# is an even or odd function?

If one of the roots of #x^3-3x+1=0# is given by the rational (companion) matrix #((0,0,-1),(1,0,3),(0,1,0))#, then what rational(?) matrices represent the other two roots?

How do you convert #r^2 = sin 2(theta)# into cartesian form?

How would you find the unit vector along the line joining point (2, 4, 4) to point (-3, 2, 2)?

How do you know if # f(x)=x^3+1# is an even or odd function?

How do you write an equation for the nth term of the arithmetic sequence: -3, -5, -7, -9, ...?

How do you find the vertical, horizontal or slant asymptotes for #(3x + 5) /( x - 2)#?

How do you solve the system #a+5b=1, 7a-2b=44# using matrices?

How do you find the y ? ln(y^2-1) - ln(y+1)=ln(sinx).

How do you find vertical, horizontal and oblique asymptotes for #[(3x^2) + 14x + 4] / [x+2]#?

How do you write the first five terms of the sequence defined recursively #a_1=32, a_(k+1)=1/2a_k#?

How do you find the domain of #f(x) = ((x + 8)^(1/2)) /( (x + 3)(x - 2))#?

How do you find the absolute value of #-2-i#?

How do you write the partial fraction decomposition of the rational expression # (x+10)/(x^2+2x-8)#?