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DanielleElmas [232]
3 years ago
11

Where is the function increasing? Please help, due soon

Mathematics
1 answer:
kaheart [24]3 years ago
6 0
(Negative Infiniti, -1)
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Write the recursive formula and the explicit formula for the sequence {-15,-7,1,9, 17,...}.
olchik [2.2K]

ANSWER

Explicit formula:

a_n= 8n - 23

Recursive

a_{n}= a_{n - 1} + 8,a_1=-15

EXPLANATION

The first term of the sequence is

a_1=-15

The common difference is

d =  - 7 -  - 15

d = 8

The nth term is given by the formula,

a_n=a_1 + d(n - 1)

a_n= - 15+ 8(n - 1)

a_n= - 15+ 8n -8

The explicit formula is;

a_n= 8n - 23

The recursive definition is

a_{n}= a_{n - 1} + 8,a_1=-15

5 0
4 years ago
Which of the set of ordered pairs contains the line<br> 1/3 x+y= 15.
Dima020 [189]

Answer: c

Step-by-step explanation:

5 0
4 years ago
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Problem: Construct a triangle with interior angle measures of 60° and 60°. Let one of the side lengths be 10. What are the lengt
Sav [38]

Answer:

Step-by-step explanation:

Given a triangle with angles 60° and 60°. Let the third angle be represented by x, so that;

x + 60° + 60° = 180^{o} (sum of angle in a triangle)

x + 120 = 180^{o}

x = 180^{o} - 120

x = 60°

Thus, since the third angle of the triangle is 60°, then the triangle is an equilateral triangle. For an equilateral triangle, all sides are equal and all its angles are equal. So that the other sides of the triangle is 10 each.

<ABC ≅ <BAC ≅ < ACB ≅ 60°

AB = BC = AC = 10 cm

The required construction for the question is attached to this answer for more clarifications.

5 0
3 years ago
Solve 8x2 + 7x - 15 = - 7.
prohojiy [21]
Step by ... 8*x^2+7*x-15-(-7)=0 ... 3.2<span>Solving 8x2</span>+7x<span>-8 = 0 by Completing The Square .</span>
7 0
3 years ago
Please help brainliest to correct answer
jekas [21]
The first one is -4 and the second one is 6.
7 0
3 years ago
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