jayjay110804 jayjay110804
  • 24-02-2021
  • Mathematics
contestada

If f(x) = 3x - 15, what is f(4)?
A. 3
B. -3
c. 12
D. -8

Respuesta :

jwo26 jwo26
  • 24-02-2021

Answer:

B. -3

Step-by-step explanation:

f(x) = 3x - 15

f(4) means x=4, so you want to plug 4 into the equation.

f(4) = 3(4) - 15

f(4) = 12 - 15

f(4) = -3

Answer Link
jcherry99
jcherry99 jcherry99
  • 24-02-2021

Answer:

B

Step-by-step explanation:

f(4) has the same meaning (for this question ) as x = 4

Let x = 4

f(4) = 3*4 - 15

f(4) = 12 - 15

f(4) = - 3

B

Answer Link

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