jacemorris04
jacemorris04 jacemorris04
  • 03-01-2018
  • Mathematics
contestada

Given f(x) = –3x – 7, what is f(–4)? A. –14 B. –1 C. 40 D. 5

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Hosein
Hosein Hosein
  • 03-01-2018

[tex] - 3( - 4) - 7 = 12 - 7 = 5[/tex]
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texaschic101
texaschic101 texaschic101
  • 03-01-2018
f(x) = -3x - 7.....f(-4)...this is basically saying that x = -4.....so sub in -4 for x

f(-4) = -3(-4) - 7
f(-4) = 12 - 7
f(-4) = 5 <===
Answer Link

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