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miv72 [106K]
4 years ago
9

Y=x^3 + 2x^2 - 5x - 6; (x+1) Please show all work

Mathematics
1 answer:
Ganezh [65]4 years ago
7 0
You just need to put (x+1) wherever you see x at.
y=(x+1)^3 + 2(x+1)^2 -5(x+1) -6 
y= x^3 +1 +2x^2+2-5x-5-6
y=x^3+2x^2-5x -10
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The point (2,7) is successfully reflected across the x-axis then y-axis and than the x-axis again. What is the area of the recta
MrRissso [65]

Answer:

Yuhh the answers c dawhggg trus me i just did the same thing lawl!

Step-by-step explanation:

6 0
3 years ago
You are choosing between two different cell phone plans. The first plan charges a rate of 24 cents per minute. The second plan c
kupik [55]

Answer:

C_{1}(t) = 0.24*t

C_{2}(t) = 34.95 + 0.12*t

291.25 talk minutes would produce the same cost for both plans.

Step-by-step explanation:

Both plans can be modeled by a first order equation in the following format:

C(t) = C_{0} + f*t

In which C_{0} is the initial cost, f is the fee that is paid for each minute, and t is the number of minutes.

Cost of the first plan:

The problem states that the first plan charges a rate of 24 cents per minute, which means that f = 0.24.There is no initial cost, so C_{0} = 0.

The equation for this plan is:

C_{1}(t) = 0.24*t

Cost of the second plan:

The problem states that the second plan charges a monthly fee of $34.95 plus 12 cents per minute. So C_{0} = 34.95 and f = 0.12

The equation for this plan is:

C_{2}(t) = 34.95 + 0.12*t

Find the number of talk minutes that would produce the same cost for both plan:

This is the instant t in which:

C_{1}(t) = C_{2}(t)

0.24t = 34.95 + 0.12t

0.12t = 34.95

t = \frac{34.95}{0.12}

t = 291.25

291.25 talk minutes would produce the same cost for both plans.

4 0
3 years ago
Evaluate a−3.45+b for:<br> a=2.88 and b=6.02
Kryger [21]

Answer:

a−3.45+b = 5.45

Step-by-step explanation:

We replace a=2.88 and b=6.02 into a−3.45+b

So we have a−3.45+b = 2.88 - 3.45 +6. 02 = (2.88+6.02) - 3.45=

= 8.90-3.45 = 5.45

The answer is a−3.45+b = 5.45

Have a good day.

5 0
3 years ago
Which number line correctly shows -0.8 + 0.6?​
creativ13 [48]

Answer:

The first from top shows correct representation on number line for -0.8 +0.6.

Step-by-step explanation:

When we add these two term we get

= -0.8 + 0.6\\= -0.2

-0.8 is to left of origin so when we add any value it will shift to right .

For example

-0.8 + 0.1 = -0.7\\-0.8 + 0.4 = -0.4\\-0.8 + 0.6 = -0.2

Such a way it ends to -0.2

8 0
3 years ago
102+900=1002 More. Then 100
Ksivusya [100]
Hello!

I don't exactly understand your question. If you mean to be asking whether or not 1002 is geater than 100, it is.

If you mean to be asking to add it: 102 + 900 + 100 = 1102
5 0
3 years ago
Read 2 more answers
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