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2 years ago

HELP I AM TIMED !!! WHAT IS F(6)? i don’t understand

Mathematics

1 answer:

dmitriy555 [2]2 years ago

4 0

It's A) 12

because 5<6

=f(x) =2x for 5<x

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Step-by-step explanation:

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2 years ago

In which quadrant does θ lie given that sinθ < 0 and cosθ < 0? Thank You!

monitta

Answer:

The origin.

Step-by-step explanation:

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1 year ago

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NEED MATH HELP NOW. Please solve for x-intercept.

Lelechka [254]

Answer:

(1, 0) and (3, 0)

Step-by-step explanation:

y=2x²-8x+6

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2 years ago

Please answer this question I need it i. Vertex and standard form.

Brums [2.3K]

Equation :

This parabola is facing downwards and highest point of the parabola is it's vertex.

Highest point is (-2,2)

so the vertex is (-2,2)

The graph is passing through (-1,0)

Equation in vertex form is

$y = a(x - h) {}^{2} + k$

$0 = a( - 1 + 2) {}^{2} + 2 \\ 0 =a (1) {}^{2} +2 \\ 0 = a + 2 \\ a = - 2$

Substitute back in Equation

$y = - 2(x + 2) {}^{2} + 2$

the graph has two x intercepts -1 and -3

that means (x+1) and (x+3) are the factors

multiply factors to get the equation in standard form

$-2(x + 1)(x + 3) = 0 \\ -2(x {}^{2} + x + 3x + 3) = 0 \\ -2( x {}^{2} + 4x + 3) = 0$

-2x^2-8x-6=0

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2 years ago

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2 years ago