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Paraphin [41]
3 years ago
6

Find the first 4 terms of the sequence defined by this rule: f(n)=4n-7

Mathematics
1 answer:
tatiyna3 years ago
6 0

Answer:

-3, 1, 5, 9

Step-by-step explanation:

f(n) = 4n - 7

f(1) = 4(1) - 7

f(1) = 4 - 7

f(1) = -3

f(2) = 4(2) - 7

f(2) = 8 - 7

f(2) = 1

f(3) = 4(3) - 7

f(3) = 12 - 7

f(3) = 5

f(4) = 4(4) - 7

f(4) = 16 - 7

f(4) = 9

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dmitriy555 [2]

The points in the brackets are on the graph are (0, 2) and (6, 10)

<h3>How to determine if the points in the brackets are on the graph?</h3>

The equation of the line is given as

4x - 3y = -6

The points are given as:

{(0,2),(1,3),(4,7),(6,10)}

Rewrite as

(x, y) = {(0,2),(1,3),(4,7),(6,10)}

Next, we substitute the x and y values in the equation 4x - 3y = -6

So, we have

(0, 2):

4(0) - 3(2) = -6

-6 = -6 ---- true

(1, 3):

4(1) - 3(3) = -6

-5 = -6 ---- false

(4, 7):

4(4) - 3(7) = -6

-5 = -6 ---- false

(6, 10):

4(6) - 3(10) = -6

-6 = -6 ---- true

Hence, the points in the brackets are on the graph are (0, 2) and (6, 10)

Read more about linear equations at:

brainly.com/question/2226590

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3 0
1 year ago
Can someone give me the answers to this or how to find the answers to it?
faltersainse [42]

the discriminant formula is b^2-4ac

so plug the values from each equation into the formula and solve, the result is the value of the discriminant

if the number is negative, there are no real roots/x-int

if it is 0 there is one real root/x-intercepts

if it is positive it has 2 real roots/x-int

and to find the actual solutions you have to plug the values into the quadratic formula

6 0
3 years ago
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Dimas [21]

Answer: Yes they can

Step-by-step explanation:

Use Pythagoras rule c²=b²+a²

b²=209

c²=15²=225

a²=4²=16

209+16=225

6 0
3 years ago
14). A Christmas tree in the shape of an isosceles triangle sits on a
xz_007 [3.2K]

Answer:

The area would be 60 feet

5 0
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Free_Kalibri [48]

Answer:

5/1 = 5

Step-by-step explanation:

because 5/1 equals 5.

5 0
3 years ago
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