anonymous
  • anonymous
Evaluate the function f(x) = 3x – 2, when x = -1. A. -9 B. -5 C. 1 D. 5 Please Help Me
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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Defiance
  • Defiance
Okay, so we know x = -1
Defiance
  • Defiance
Rewright it. 3(-1) - 2 =
anonymous
  • anonymous
F(x)=3(-1)-2

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More answers

Defiance
  • Defiance
Order of operation multiplication comes first
Defiance
  • Defiance
3 times -1 = -3
Defiance
  • Defiance
Now subtract 2
anonymous
  • anonymous
-3-2=-5
Defiance
  • Defiance
You get -5
anonymous
  • anonymous
Thank you :) can you help me with a a few more?
Defiance
  • Defiance
Sure. If you'd like.
anonymous
  • anonymous
Evaluate the function g(t) = 3/4t ,when t = 40 A.10 B.15 C.25 D.30
Defiance
  • Defiance
3/4th of 40... Is 30. Cause 1/4 of 40 is 10 10 x 3 = 30
Defiance
  • Defiance
Answer is 30.
anonymous
  • anonymous
ok :) Evaluate the function H(x) = 16 –x, when x = -4. A.64 B.20 C.12 D-64
anonymous
  • anonymous
I got 20
Defiance
  • Defiance
Since x = -4 Re-wright as 16 -(-4) 16 -(-4) 12
Defiance
  • Defiance
If it was multiplaction, yes it was 20. But it's subtraction
anonymous
  • anonymous
Yes I also got 12 ;) two more then thats it :) thankk you btw
Defiance
  • Defiance
You're subtracting "-4" from 16.
Defiance
  • Defiance
Alright.
Defiance
  • Defiance
Alright, I stand correct on the 12. It is 20.
anonymous
  • anonymous
Find k(3 for the function k(n) = 3n^2 A.36 B.24 C.10 D.49 :0
Defiance
  • Defiance
After I thought of it.
anonymous
  • anonymous
OH ahaha okie
Defiance
  • Defiance
Cause, two -'s make a +
anonymous
  • anonymous
So i"m correct then
anonymous
  • anonymous
xD
anonymous
  • anonymous
Find k(3 for the function k(n) = 3n^2 A.36 B.24 C.10 D.49 :)
Defiance
  • Defiance
Not sure. Maybe thanksten can help?
Defiance
  • Defiance
xD.
anonymous
  • anonymous
Ok Thanksten :D
anonymous
  • anonymous
haha
anonymous
  • anonymous
ok well here is the last one :) Find w(4) for the function w(x) = 3x + 7 A.41 B.19 C.14 D.33
anonymous
  • anonymous
I got 19
Defiance
  • Defiance
Alright, I figured it out. The funtion is w(4) x = 4. 3 x 4 = 12 12 + 7 = 19
anonymous
  • anonymous
ok :)
Defiance
  • Defiance
I'm working on the other. but I got 27.. xD
anonymous
  • anonymous
xD haha ok
misty1212
  • misty1212
HI!!
Defiance
  • Defiance
Hello, misty.
anonymous
  • anonymous
hi Misty :)
misty1212
  • misty1212
it is "find \(k(3)\) for the function \(k(n)=3n^2\)?
misty1212
  • misty1212
i mean is that the one you are unsure of?
Defiance
  • Defiance
Yes, thats her problem.
misty1212
  • misty1212
ok then \[\large k(3)=3\times 3^2=27\] is correct
anonymous
  • anonymous
27 is not a choice on there
Defiance
  • Defiance
n = 3 So, 3 to the power 2 = 9 3 times 9 = 27...
misty1212
  • misty1212
ok maybe there is a typo in the question?
Defiance
  • Defiance
Ask your instructor.
Defiance
  • Defiance
Indeed.
anonymous
  • anonymous
ok THANK YOU ALL SOO MUCH ;)
Defiance
  • Defiance
Yw ;)
anonymous
  • anonymous
Yh I also got 27

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