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3 years ago

The graphs of f(x) and g(x) are shown below. For what interval is the value of (f-g)(x) negative

Mathematics

1 answer:

Eddi Din [679]3 years ago

5 0

Answer:

B (-infinity, 2)

Step-by-step explanation:

I just took test and got it correct!!

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Explain how to multiply two numbers with different signs.

Vika [28.1K]

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3 years ago

What is the value of x?<br><br> ______ *<br><br>i will give you a brainliest answer!!!!!!

mamaluj [8]

Two ways of solving it:

The angle beside the 71 is equal to

180 - 71 = 109

so a triangle angles sums up to 180

so the reminaing is

x = 180 - 109 - 28 = 43

solution (2):

the exterior angle = sum of interior angles except the one near it.

28 + x = 71
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8 0

3 years ago

Read 2 more answers

Write f(x)=8x^2-4x+11 in vertex form

Vlad [161]

Answer:

$f(x)=8(x-\frac{1}{4})^{2}+\frac{21}{2}$

$f(x)=8(x-0.25)^{2}+10.5$

Step-by-step explanation:

we have

$f(x)=8x^{2}-4x+11$

This is a vertical parabola open upward (because the leading coefficient is positive)

The vertex is a minimum

Convert to vertex form

Factor the leading coefficient

$f(x)=8(x^{2}-\frac{1}{2}x)+11$

Complete the square. Remember to balance the equation by adding the same constants to each side.

$f(x)=8(x^{2}-\frac{1}{2}x+\frac{1}{16})+11-\frac{1}{2}$

$f(x)=8(x^{2}-\frac{1}{2}x+\frac{1}{16})+\frac{21}{2}$

Rewrite as perfect squares

$f(x)=8(x-\frac{1}{4})^{2}+\frac{21}{2}$ ----> equation in vertex form

$f(x)=8(x-0.25)^{2}+10.5$

The vertex is the point (0.25,10.5)

3 0

3 years ago

Triangle MNP is transformed according to the rule T(4,–1). What is the y-coordinate of M”?

weqwewe [10]

-1 because x is on the left and y is always on the right

8 0

3 years ago

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Find the value of x that makes m || n

ch4aika [34]

Answer:

x=133

Step-by-step explanation:

Given: m║n

This means that 147 and x+14 are <em>alternate exterior angles</em>. This also means that they are equivalent. We can use this information to set up an equation:

x+14=147

Subtract 14 from both sides to isolate x

x=133

8 0

2 years ago