Answer:
We just need to evaluate and get f(2i)=0, f(-2i)=0.
Step-by-step explanation:
Since
, then
, and we can apply this when we evaluate
for 2i and -2i.
First we have:

Which shows that 2i is a zero of f(x).
Then we have:

Which shows that -2i is a zero of f(x).
Answer:
x=10.5
Step-by-step explanation:
40x-120=24x-48
40x-168=24x
16x-168=0
16x=168
x=10.5
Have a great day!
Answer:
Step-by-step explanation:
it says Jane is 115 years older than Marian it means that Jane is 253 years old
So I drew a number line , & I placed point e at 1 1/4 . The correct answer will be B . It couldn't be A because if point e was 1/4 to the left of 1 , point e will be located at 3/4 . But because it ask to put point e at 1 1/4 , you would look for 1 & just move up 1/4 .
Answer:
y-6
Step-by-step explanation: