SOLUTION: please help: if f(x)=(5x+B)/(2x-A) and f(2)=0, f(4)=undefined, then find A and B Thanks for any help

SOLUTION: please help: if f(x)=(5x+B)/(2x-A) and f(2)=0, f(4)=undefined, then find A and B Thanks for any help

Algebra.Com

Question 690058: please help: if f(x)=(5x+B)/(2x-A) and f(2)=0, f(4)=undefined, then find A and B
Thanks for any help
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
if f(x)=(5x+B)/(2x-A) and f(2)=0, f(4)= undefined, then find A and B
:
Find A first, f(4) undefined, division by 0, so we have
2x - A = 0
x=4
2(4) - A = 0
8 - A = 0
A = 8
:
Replacing A with 8, f(2)
= 0
x = 2
= 0
= 0
B=-10
RELATED QUESTIONS
function question: if f(x)= {{{(5x+B)/(2x-A)}}} and f(2)=0, f(4)=undefined, then find A... (answered by Stitch)

HElp f(x)=-2x(cubed)+5x(squared)-x-1 find (a)f(-1), (b)f(0), and (c)f(2) thanks... (answered by jim_thompson5910)

Hi, i tried solving my assignments, please help me check if i did it right..Thanks in... (answered by Alan3354)

Help ME please!!!! f(x)=-x(cubed)+2x(squared)-7x+9 find (a)f(-2), (b)f(0), and... (answered by jim_thompson5910)

Let f(x)=2x^2-5x and find: A: f(-2) B: f(0) C: 2f(x) D:... (answered by jim_thompson5910)

Evaluate the given function for the value specified. f(x)=xsquare - 7x+10 ; find (a) f... (answered by jim_thompson5910)

Evaluate the given function for the value specified. f(x)=xsquare - 7x+10 ; find (a) f... (answered by oscargut)

Need help with a problem. If f(x)=(x-B)/(x-A), f(-3)=0, and f(5) is undefined, what are... (answered by josgarithmetic,ikleyn)

Please help. For f(x)=-3x^2 +5x-6, find (a) f(-2)... (answered by jim_thompson5910)