gizzyfromla3524 gizzyfromla3524

17-04-2021
Mathematics

contestada

f(x) = 9x+7
find 20-3)
09c + 7
0 18c + 20
18c + 7
O -
180 - 20

Someone help?

fx 9x7 find 203 09c 7 0 18c 20 18c 7 O 180 20 Someone help class=

Respuesta :

maggielee724 maggielee724

17-04-2021

Answer:

18c - 20

Step-by-step explanation:

substitute 2c - 3 into x,

f(2c - 3) = 9(2c - 3) + 7

=> f(2c - 3) = 18c - 27 + 7

=> f(2c - 3) = 18c - 20

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