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Marina CMI [18]
2 years ago
10

F(x) = 3x+2 What is f(5)?

Mathematics
2 answers:
uranmaximum [27]2 years ago
8 0
The answer would be f(5) = 15 + 2 which would give you f(5) = 17. Hope this helps you :)
Anni [7]2 years ago
7 0

Answer:

the answer will be 17.

Step-by-step explanation:

if, f (x) = 3x + 2

f (5) = 3 × 5 + 2 = 17.

<em>Please mark me as the brainliest </em>

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Answer:

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Step-by-step explanation:

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74. A portion of a board has length x feet. The other part has
Novay_Z [31]

Step-by-step explanation:

Given that,

  • Length of the one portion of the board = x feet
  • Length of the another portion = (7x – 9) feet

According to the question,

\longrightarrow Total length = Sum of the length of the two pieces

\longrightarrow Total length = {x + (7x – 9)} feet

\longrightarrow Total length = {x + 7x – 9} feet

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4 0
3 years ago
Rewrite the quadratic function in vertex form.<br> Y=3x^2-12x+4
chubhunter [2.5K]

Answer:

\large\boxed{y=3(x-2)^2-8}

Step-by-step explanation:

The vertex form of an equation of a parabola y = ax² + bx + c:

f(x)=a(x-h)^2+k

(h, k) - vertex

h=\dfrac{-b}{2a},\ k=f(h)

We have the equation:

y=3x^2-12x+4\\\\a=3,\ b=-12,\ c=4

Substitute:

h=\dfrac{-(-12)}{2(3)}=\dfrac{12}{6}=2\\\\k=f(2)=3(2^2)-12(2)+4=3(4)-24+4=12-24+4=-8

Finally:

y=3(x-2)^2+(-8)=3(x-2)^2-8

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3 years ago
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