gabbyp2107 gabbyp2107

20-03-2020
Mathematics

contestada

For f(x) = -2x+9,what is x when f(x) = 4

Respuesta :

george3262 george3262

20-03-2020

Answer:

when f(x) = 4, the answer is 1

Step-by-step explanation:

f(x) = -2x + 9

f(4) = -2(4) + 9

= -8 + 9

= 1

Answer Link

amna04352 amna04352

20-03-2020

Answer:

2.5

Step-by-step explanation:

-2x + 9 = 4

-2x = -5

x = 2.5

Answer Link

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