Question

Given the following functions f(x) and g(x), solve f[g(7)] and select the correct answer below:

f(x) = 4x + 21

g(x) = 2x + 2

16
49
85
784

Answer 1

g(x) = 2x + 2
g(7) = ?

Answer 2

g(7)=2(7)+2
g(7)=14+2
g(7)=16

Answer 3

@Vocaloid

Answer 4

right, now on to the next step

f(x) = 4x + 21
f(g(7)) = ?

Answer 5

not sure :(

Answer 6

g(7) = 16
f(g(7)) = f(16) = ?

Answer 7

wel dint we have to find f(X) ?

Answer 8

i don't get this part

Answer 9

please look at the problem

what is f(x)?

Answer 10

f(x)=4x+21

Answer 11

right.

f(x)=4x+21
f(g(7)) = f(16) = ?

Answer 12

f(x)=4(16)+21 ?

Answer 13

yes

Answer 14

ok

Answer 15

64 +21=85

Answer 16

right, that's our answer

Answer 17

ty!!! May you help w. ones similar to those ?

Answer 18

i will post on another tab :)

Answer 19

sure

Answer 20

:)