Question

Medal and fan

Given the following functions f(x) and g(x), solve f[g(10)] and select the correct answer below:

f(x) = 10x + 8

g(x) = x + 9

2,052
98
190
198

Answer 1

@iGreen

Answer 2

@welshfella

Answer 3

First, solve g(10)..which is just plugging in 10 for \(\sf x\).

Answer 4

\(\sf g(x) = x + 9\)

\(\sf g(10) = 10 + 9\)

Answer 5

What do you get?

Answer 6

-9 and 0??

Answer 7

@iGreen

Answer 8

-9?

Answer 9

\(\sf 10 + 9 \ne -9~or~0\)

Answer 10

idk, i'm confused on this

Answer 11

You can't add \(\sf 10 + 9\)?

Answer 12

it's 19, i thought there was more to it

Answer 13

g(10) means we plug in 10 for 'x' in g(x) = x + 9.

Answer 14

Which gives us:

\(\sf g(10) = 10 + 9\)

Simplify:

\(\sf g(10) = 19\)

You're correct..now we have:

\(\sf f(19)\)

Plug in \(\sf 19\) for 'x' in \(\sf f(x) = 10x + 8\) now.

Answer 15

Understand?

Answer 16

f(19) = 10(19) + 8? Or is it f(x) = 10x + 8

Answer 17

f(19) = 10x + 8*

Answer 18

Help

Answer 19

f(19) = 10(19) + 8 is correct..

Answer 20

\(\sf f(x) = 10x + 8\)

\(\sf f(19) = 10(19) + 8\)

Answer 21

Now simplify the right side

Answer 22

198 is what i got

Answer 23

That is correct.

Answer 24

Thanks, could you help me with a few more :D?

Answer 25

Sure, just close this and open a new one.

Answer 26

Alright