kristabeautifulday kristabeautifulday
  • 10-10-2020
  • Mathematics
contestada

Evaluate f(x) = -2x - 5 for x = 3.
A. 11
B. -6
C. -11
D. 1

Respuesta :

achadwickschool achadwickschool
  • 10-10-2020

Answer:

C. -11

Step-by-step explanation:

f(x) = -2x - 5

Plug the 3 in for x

f(3) = -2(3) - 5

Multiply the -2 and 3

f(3) = -6 - 5

Subtract 5 from -6

f(3) = -11

Answer Link
JohnFortniteLee JohnFortniteLee
  • 10-10-2020

Answer: C -11

Step-by-step explanation:

Its asking you to solve for f(x) which is Y

Y=-2x-5

X is 3

so replace -2x with 3 but only the x

you should get -23 not negative 23 its more of 2 times 3

then multiply -2 by 3 and get -6

add -6 and -5 to get -11

Answer Link

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