Question

f(x)=|x|
g(x)=|x-3|
solve : f+g ??
guys help

Answer 1

(f+g)(x) = |x|+|x-3|

?? Would it be something else? Perhaps you are trying to simplify it, or something?

Answer 2

yeah I need that

Answer 3

??

Answer 4

I need to solve this
|x|+|x-3|

Answer 5

how

Answer 6

There is nothing to solve, there. Do you mean |x|+|x-3| = 0, or perhaps equal to something else? Perhaps we're just evaluating it at x = 0 or x = 3?

"Solve" just doesn't make any sense without an equation of some sort. Do we have the entire problem statement?

Answer 7

Evaluate the function at the indicated values
f(x)=|x|
g(x)=|x-3|
f+g and f-g and f*g and f/g and g/f

Answer 8

@tkhunny that's all the question is

Answer 9

Aha!! "At the indicated values". That's what we were missing. There must be some values indicated. x = 0?

(f+g)(x) = |x| + |x-3|
(f-g)(x) = |x| - |x-3|
(f*g)(x) = |x| * |x-3|
(f/g)(x) = |x| / |x-3|
(g/f)(x) = |x-3| / |x|

Now, we need some "indicated points".

Answer 10

ok can you explain more I didn't get it sorry

Answer 11

@hartnn sir help

Answer 12

We still need "indicated points".

Let's use x = 0 for an example.

(f+g)(0) = |0| + |0-3| = 0 + |-3| = 0+3 = 3
(f-g)(0) = |0| - |0-3| = 0 - |-3| = 0-3 = -3
(f*g)(0) = |0| * |0-3| = 0*|-3| = 0
(f/g)(0) = |0| / |0-3| = 0/|-3| = 0
(g/f)(0) = |0-3| / |0| = |-3|/0 -- Whoops!! Have to let this one go. Can't have a zero down there in the denominator.