2 years ago

1)y=4 2)y=4x 3)y=4x+4 4)x=4

Mathematics

2 answers:

dlinn [17]2 years ago

8 0

Answer:

I am pretty sure that the answer is y=4x

lina2011 [118]2 years ago

5 0

Answer:

I think number letter shape 14

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What is f(x) = 7x2 + 42x written in vertex form?

amid [387]

Answer:

$\boxed{\boxed{y = 7(x+3)^2-63}}$

Step-by-step explanation:

The general vertex form of parabola is,

$y=a(x-h)+k$

where,

(h, k) is the vertex of the parabola.

The given function is,

$\Rightarrow f(x) = 7x^2 + 42x$

$\Rightarrow y = 7x^2 + 42x$

$\Rightarrow y = 7(x^2 + 6x)$

$\Rightarrow y = 7(x^2 + 2\cdot x\cdot 3)$

$\Rightarrow y = 7(x^2 + 2\cdot x\cdot 3+3^3-3^2)$

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PLEASE HELP FASTTTTTTTTTTTT!!!!!!!!!!!!!!!!!!!!!!!!!!

nata0808 [166]

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Step-by-step explanation:

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