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4 years ago

What is the range of the following function

Mathematics

1 answer:

Shtirlitz [24]4 years ago

7 0

The answer: -5 ≤ y ≤ 6

The range is all the possible output or y values of the function.

Our first point is at (1, 6) and our second point is at (-4, -5)

That means our y values are 6 and -5. Let's set up a compound inequality to represent our function.

-5 ≤ y ≤ 6. This means that x is greater than or equal to -5 and less than or equal to 6.

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Marysya12 [62]

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3 years ago

Find the value of the trigonometric ratio. Make sure to simplify the fraction if needed. plss help

Natalija [7]

Answer:

3/5

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3 years ago

For each set of side listed determine if the given triangle is right triangle, obtuse or acute

nasty-shy [4]

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3 years ago

What is the value of f(-2) if f(x) = - 3x2 + 4x - 1

pashok25 [27]

Given the function below:

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

To find f(-2), we substitute x = -2 in the equation. Since f(-2) means the value of f(x) at x = -2.

$\large{f( - 2) = - 3 {( - 2)}^{2} + 4( - 2) - 1}$

Replace x-term to -2 and evaluate.

$\large{f( - 2) = - 3(4) - 8 - 1} \\ \large{f( - 2) = - 12 - 8 - 1 \longrightarrow f( - 2) = - 21}$

Answer

f(-2) = -21

Let me know if you have any doubts!

4 0

3 years ago

Which function has two x-intercepts, one at (0, 0) and one at (4, 0)? f(x) = x(x − 4) f(x) = x(x + 4) f(x) = (x − 4)(x − 4) f(x)

Fofino [41]

If you want a polynomial to have the x-intercepts of your choice, you simply have to build a polynomial by multiplying pieces like $(x-x_k)$ where $x_k$ is the x-intercept you want.

So, if you want x-intercepts 0 and 4, you have to build the polynomial

$(x-0)(x-4) = x(x-4)$

5 0

3 years ago

Read 2 more answers