What is the domain and range of the following? (1,5) (-2,4) (-3,0) (-6,2)

Answers

Answer 1

Answer:

Domain: {1, -2, -3, -6}

Range: {5, 4, 0, 2}

im not 100% sure but Im pretty sure it’s that

Answer 2

Answer: I know someone answered but I’m going to say why the answer is the answer.

When it is asking for the domains it is asking for the x values. (1, -2, -3, -6)

When it is asking for the ranges it is asking for the y values. (5, 4, 0, 2)

Hope this helped :)

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Factor completely 5a2 + b.
Prime
a(5a + b)
b(5a2)
ab(5a + 1)

Answers

$\sf {5a^2+b~is~\boxed{\bf{prime}}}$

It is prime because it has no common factors in 5a^2 and b.

The answer is A.

Answer:

Option A: Prime

Step-by-step explanation:

What is the solution of 3x + y = 9 and 3x − 5y = 15?

Answers

The answer is (10/3, -1)

Find the value of x.

Answers

Assuming those lines are parallel, then this means the alternate interior angles are the same measure

3x-26 = 2x

3x-26+26 = 2x+26 ... adding 26 to both sides

3x = 2x+26

3x-2x = 2x+26-2x ... subtracting 2x from both sides

3x-2x = 26

x = 26 is the answer

From a point p on level ground, the angle of elevation of the top of a tree is 60°. If the tree is 39m high, how far is its base from p

Answers

Hello,

tan 60°=√3
d/39=tan 60°==>d=39/√3=39√3/3=13√3=22,516660498... (m)

Solve 9x2 + 3x − 2 = 0 by using an appropriate method. Show the steps of your work, and explain why you chose the method used.

Answers

As far from I know, you can use the quadratic formula or factor this equation. It's easier to factor instead because this is efficient to certain types of quadratic equation. In order to factor the equation, suppose you draw an big X. Each part of the 'X' is very substantial to help solve the equation. On the top, multiply the coefficient from '9x2', in which 9 is your coefficient, and multiply it with the last number, -2. Your total is -18. With the 3x left on the equation, place the 3 on the bottom of the 'X' mark. Now, you need to find two numbers that multiply and add/subtract to -18 and 3. The only two possible numbers are 6 and -3. However, those are not your final answers because they're not an restriction to 0. You will get (x+6)(x-3). Finally, find the opposite of both of the two separate equations and you will find your final answers.

Subtract. write your answer in scientific notation.
(7.15×105)–(5.964×105)