# Liam Brennan

Precalculus teacher | Tutor for 9 years

I'm a precalculus expert with a degree from Franklin W. Olin College of Engineering. With a passion for mathematics, I've honed my skills to simplify complex concepts. My goal is to empower students to excel in precalculus, providing clear explanations and personalized guidance. Let's tackle those math challenges together!

## Questions

If the third term is 3 of a geometric is 36 and the sixth term is 9/2, what is the explicit formula for the sequence ?

How do you find an equation that describes the sequence #4, 8, 12, 16,...# and find the 13th term?

How do you solve #x^3<=4x^2+3x# using a sign chart?

How do you find the asymptotes for #f(x) = (3x^2 + 15x +18) /( 4x^2-4)#?

How do you find the inverse of #f(x) = log7^x#?

How do you find the inverse of #A=##((4, 4, 8), (3, 2, 6), (2, 1, 4))#?

What are all the possible rational zeros for #f(x)=2x^3-5x^2+4x-1# and how do you find all zeros?

What is the value of #log_2(15)# ?

Find 5 geometric mean between 1 and 27?

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

How do you find the determinant of #((1, 1, 1, 1), (1, 3, 9, 27), (1, 5, 25, 125), (1, 7, 49, 343))#?

How do you find the horizontal asymptote for #((7x-9)(x+9))/((-9x-6)(9x-9))#?

How do you find the vertical, horizontal and slant asymptotes of: #f(x)= (x)/(4x^2+7x+-2)#?

What is the inverse function of #f(x)=x-2# and how do you find #f^-1(0)#?

How do you find the compositions given #f(x)+3x-5# and #g(x)= sqrt(x-2)#?

If a problem says one number is twice as large as another, which number should I choose as my variable?

The polynomial of degree 4, P(x) has a root multiplicity 2 at x=4 and roots multiplicity 1 at x=0 and x=-4 and it goes through the point (5, 18) how do you find a formula for p(x)?

How do you find the Vertical, Horizontal, and Oblique Asymptote given #y = (x + 1)/(x - 1)#?

How do you solve the inequality #(x^2-16)/(x^2-4x-5)>=0#?

How do I find the limit of a polynomial function?