3 years ago

Which graph represents the equation x=2?

Mathematics

2 answers:

Alex787 [66]3 years ago

5 0

Answer:

Graph 1

Step-by-step explanation:

1) x=2

2) y=-2

3) x=-2

4) y=2

Rus_ich [418]3 years ago

4 0

Answer:

Step-by-step explanation:

In the line that is the graph of equation x = 2, every ordered pair has 2 as its x-coordinate. That means it's a vertical line that passes through x = 2 on the x-axis.

Answer: 1)

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Evaluate the following integral over the specified region. Assume (r comma theta )(r,θ) are polar coordinates. ModifyingBelow In

topjm [15]

Answer:

Step-by-step explanation:

We have to integrate the function

$16+x^2+y^2$ over the region

$1\leq r\leq 3\\0\leq \theta \leq \pi$

Let us convert into polar coordinates

x=cost : y = sint

Then we get dxdy = rdr dt

So we get the integral as

$\int \int _R (16+x^2+y^2)^2 dxdy\\= \int\limits^3_0 \int\limits^\pi_0( {16+r^2}^2) (r)drdt\\ =(t) (\frac{(16+r^2)^3}{6}$

Substitute the limits to get

Answer

= $(\pi-0) [\frac{1}{6} (25-16)\\=1.5 \pi$

4 0

4 years ago

Which statement is true about the function f(x)=-x squared ?

dedylja [7]

I hope the last thing on the third answer is ... less than or equal to 0. If it is greater than 0, then you get into complex numbers and the result is not a graph that you can make yet. Just so you know what the graph looks like, I've included it.

C (or third one down) <<<< answer.