Question

can someone check my answer, will fan + medal

Using the given zero, find all other zeros of f(x).

-2i is a zero of f(x) = x4 - 45x2 - 196

a 2i, 14i, -14i
b 2i, 7, -7
c 2i, 14, -14
d 2i, 7i, -7i

Answer 1

is it c or a?

Answer 2

I can help you

Answer 3

Thanks, is the answer c? because i know -14 x 14 = 196

Answer 4

yes the answer is c

Answer 5

can you help with one more please?

Answer 6

yea

Answer 7

whatever you need I am here :)

Answer 8

For the given function, find the vertical and horizontal asymptote(s) (if there are any).

f(x) = 2x^2 +1 / x^2 - 4
I know the Horiziontal Asymptote is y= 2 but can you solve for the vertical bc i dont know how to do it exactly
the answer choices:
None
x = 2, y = 2, y = 0
x = 2, x = -2, y = 2
x = 2, y = 2, y = 1

Answer 9

to find vertical asymptotes you must find 0's in the denominator. so denominator (im guessing) is x^2-3x-4. so you factor out. getting (x-4)(x+1)=0 because we need one of those to be zero for an asymptote. x-4=0, x=4. x+1=0, x=-1. answer VA's occur when x= 4,-1.
(ps. remember to check the numerator for the same zeros at the bottom. they cancel out and create holes not asymptotes.) But the answer is B