Question

If f(x) = x^2-2x+5, find:
f(6)-f(4)/6-4
a) 29
b) 13
c) 16
d) 8

Answer 1

Do you have a guess?

Answer 2

do you mean\[\frac{ f(6)-f(4) }{ 6-4 }\]

Answer 3

you literally just have to do what your question asks you to do.

1. find f(6)
2. find f(4)
3. subtract
4. divide by 6 - 4 or 2.

Answer 4

So just plug in f(x) into f(6) and for f(4)?

Answer 5

Is it B? @ParthKohli

Answer 6

how did you get that number?

Answer 7

nope
did you find f(6) ??
and f(4) ??

Answer 8

Is it C?

Answer 9

@Nnesha

Answer 10

did you find f(6) ??

Answer 11

Im nt sure how.

Answer 12

so how did you found C ??
lets do it again

Answer 13

f(6) mean when x=6
now replace all x by 6 and then solve