Question

if g(x) = 2x - 4 and g(m) = -4 and g(n) = 6, find g(m+n) i got -4 can someone check that? i want to make sure its right!

Answer 1

@jim_thompson5910

Answer 2

@Ahsome

Answer 3

\(g(m)=-4\)
\(g(n)=6\)

\(g(m+n)\)
Sub the values
\(-4+6\)
\(2\)

Answer 4

but g(x) = 2x-4 so dont you sub -4 and 6 in for x?

Answer 5

@Ahsome

Answer 6

Yes, you are right. I didn't notice the equation.

Answer 7

yeah you need to find m & n first, then compute g(m+n)

Answer 8

is -4 right?

Answer 9

@jim_thompson5910 @Ahsome

Answer 10

what did you get for m?

Answer 11

@jim_thompson5910 for m i got -12 and for n i got -4

Answer 12

g(x) = 2x - 4

g(m) = 2m - 4

-4 = 2m - 4

m = ??

Answer 13

if you plug -4 in for m you-4 i thought because i did 2(-4)-4 which is -12

Answer 14

@jim_thompson5910

Answer 15

@Ahsome

Answer 16

@nikato

Answer 17

your task is to now solve -4 = 2m - 4 for m

Answer 18

you are NOT plugging in m = -4

Answer 19

0=2m?

Answer 20

0/2=m?

Answer 21

so m = 0

Answer 22

what is the value of n?

Answer 23

5

Answer 24

m+n = ??

Answer 25

5 thanks!

Answer 26

now compute g(m+n) = g(5) = ??

Answer 27

oh 6

Answer 28

so the final answer is 6

Answer 29

correct

Answer 30

ok thanks!

Answer 31

np