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marin [14]
2 years ago
10

If a1 = 3 and an = (an-1)^2+4 then find the value of a4

Mathematics
1 answer:
NeX [460]2 years ago
8 0

Answer:

Here is the ans hope it helps:)

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A faucet is used to add water to a large bottle that already contained some water. After it has been filling for 55 ​seconds, th
True [87]

Answer:

y=3x+4

Step-by-step explanation:

Let y be the amount of water in the bottle x seconds after the faucet was turned on.

We have been given that the gauge on the bottle indicates that it contains 19 ounces of water after it has been filling for 5 seconds. After it has been filling for 11 ​seconds, the gauge indicates the bottle contains 37 ounces of water.

We have two points on the line (5,19) and (11,37).

Let us find slope of the line passing through these points.

m=\frac{y_2-y_1}{x_2-x_1}

m=\frac{37-19}{11-5}

m=\frac{18}{6}

m=3

We will write our required equation in slope-intercept form y=mx+b, where, m represents slope and b represents the y-intercept.

Let us find y-intercept by substituting m=3 and coordinates of point (5,19) in slope intercept form.

19=3\cdot 5+b

19=15+b

19-15=15-15+b

4=b

Therefore, our required equation would be y=3x+4.

8 0
3 years ago
Simplify the expression<br> (3x4 + 9x3 – 7x + 15) + (-6X4 – 8x2 + 5x – 3)
elena-s [515]

Answer:

If the numbers next to the "x" are "carroted" ( ^ ) then the answer is

-3x^4 + 9x^3 -8x^2 -2x +12

Step-by-step explanation:

Basically, you just add the like terms together.

5 0
2 years ago
Reduce a<br> to lowest terms.<br> [?]72/81
elena55 [62]

Answer:

8/9

Hope it helps :)

6 0
3 years ago
Read 2 more answers
F(x)=3x+2 and g(x)=-2x-4, find h(x) = f(x)-g(x)
elena-14-01-66 [18.8K]

Answer:

5x-2

Step-by-step explanation:

Since f(x)-g(x) you take 3x+2 and subtract -2x-4.

3x+2+2x-4

5x-2

6 0
3 years ago
Can someone help me with this!!! Will give you all my points and brainliest.
Angelina_Jolie [31]

The function is shifted to the right 3 units

a shift to the right is subtracted inside the function

g(x) = f(x-3)

7 0
3 years ago
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