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Lady bird [3.3K]
3 years ago
8

Given f (X) = 4x +6 find f (x) = 54

Mathematics
2 answers:
Archy [21]3 years ago
5 0

hello

f(x) = 54

4x + 6 = 54

4x = 54 -6

4x = 48

x = 12

good day

Nikitich [7]3 years ago
3 0

Answer:

x = 12

Step-by-step explanation:

Step 1: Define

f(x) = 4x + 6

f(x) = 54

Step 2: Substitute variables

54 = 4x + 6

Step 3: Solve for <em>x</em>

<u>Subtract 6 on both sides:</u> 48 = 4x

<u>Divide both sides by 4:</u> 12 = x

Step 4: Check

<em>Plug in x to verify it is a solution.</em>

f(12) = 4(12) + 6

f(12) = 48 + 6

f(12) = 54

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AC = 5 cm

BD = 12.5 cm (3 sf) [or 2 × root 39]

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Step-by-step explanation:

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