All categories

4 years ago

17n – 5n2 + 2n3; n = -1 I need help plz

Mathematics

2 answers:

Juli2301 [7.4K]4 years ago

3 0

Answer:

-24

Step-by-step explanation:

aalyn [17]4 years ago

3 0

<h2>Answer:</h2>

Look just replace the n's with -1.

<h2>Step-by-step explanation:</h2>

So, it will look something that's close to this.

17n – 5n2 + 2n3; n = -1

17(-1) – 5(-1)2 + 2(-1)3

Then evaluate.

You might be interested in

The map at the right has an Euler Path in which you can pass through each doorway exactly once. Which 2 rooms must be a starting

bogdanovich [222]

Answer:I think the answer is d

Step-by-step explanation:

5 0

3 years ago

A number y increased by 5 is at least -21

gayaneshka [121]

- - - - - - - - - - - - - - - - - - - - - - - - -- - - - - - - - - -

$\diamond\large\blue\textsf{\textbf{\underline{\underline{Given question:-}}}}$

❖ A number y increased by 5 is at least -21.

$\diamond\large\blue\textsf{\textbf{\underline{\underline{Answer and how to solve:-}}}}$

❖ First, if you come across the word "increased" it means we

"increase" a number, or add something to that number, like

y increased by 5 $\longmapsto$ $\sf{y+5}$

Now, we are also given that this expression is at least -21, which means it can't be -21; it can be -21 or it can be greater than -21.

So we have

$\longmapsto\sf{y+5\geq -21}}$

<em>Solving for y</em>

Subtract 5 on both sides:-

$\longmapsto\sf{y\geq -21-5}$

$\longmapsto\sf{y\geq -26}$

So the values of y greater than or equal to -26 will make this inequality true.

<h3>Good luck with your studies.</h3>

$\rule{300}{1}$

7 0

2 years ago

Read 2 more answers

Express (5r+2)(5r-2) in standard polynomial form

Alex_Xolod [135]

25r^2-4 rewriten in standard polynomial form

8 0

4 years ago

Given the functions f(x) = 4x2 − 1, g(x) = x2 − 8x + 5, and h(x) = –3x2 − 12x + 1, rank them from least to greatest based on the

tangare [24]

Answer:

Option D) h(x), f(x), g(x)

Step-by-step explanation:

we know that

The axis of symmetry of a vertical parabola is equal to the x-coordinate of the vertex of the parabola

Part 1) we have

$f(x)=4x^{2} -1$

This is a vertical parabola open upward

The vertex is a minimum The vertex is the point (0,-1)

The x-coordinate of the vertex is 0

The axis of symmetry is x=0

Part 2) we have

$g(x)=x^{2}-8x+5$

This is a vertical parabola open upward

The vertex is a minimum

Convert the equation into vertex form

$g(x)-5=x^{2}-8x$

$g(x)-5+16=x^{2}-8x+16$

$g(x)+11=x^{2}-8x+16$

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

$g(x)=(x-4)^{2}-11$

The vertex is the point (4,-11)

The x-coordinate of the vertex is 4

The axis of symmetry is x=4

Part 3) we have

$h(x)=-3x^{2}-12x+1$

This is a vertical parabola open downward

The vertex is a maximum

Convert the equation into vertex form

$h(x)-1=-3x^{2}-12x$

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

$h(x)-1-12=-3(x^{2}+4x+4)$

$h(x)-13=-3(x+2)^{2}$

$h(x)=-3(x+2)^{2}+13$

The vertex is the point (-2,13)

The x-coordinate of the vertex is -2

The axis of symmetry is x=-2

Part 4) Rank their axis of symmetry from least to greatest

1) h(x) -----> axis of symmetry -2

2) f(x) -----> axis of symmetry 0

3) g(x) -----> axis of symmetry 4

h(x),f(x),g(x)

7 0

4 years ago

Evaluating functions

Liono4ka [1.6K]

Step-by-step explanation:

Hope this helps please like and mark as brainliest

7 0

2 years ago