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denpristay [2]
4 years ago
6

Simplify 4x2 + 8x - 11x + 6 - 5x2 + 2​

Mathematics
1 answer:
Butoxors [25]4 years ago
3 0

Answer:

\boxed{\bold{-5x+8}}

Step-by-step explanation:

Combine Similar Elements: \bold{8x-11x=-3x}

\bold{4\cdot \:2x-3x+6-5\cdot \:2x+2}

Multiply: \bold{4\cdot \:2=8}

\bold{8x-3x+6-10x+2}

Group Like Terms

\bold{8x-3x-10x+6+2}

Combine Similar Elements: \bold{8x-3x-10x=-5x}

\bold{-5x+6+2}

Add Numbers: \bold{6+2=8}

\bold{-5x+8}

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Which properties are present in a table that represents an exponential function in the form y=b^x when b > 1? I. As the x-val
Scilla [17]

Answer:

Properties that are present are

<em><u>Property I</u></em>

<em><u>Property IV</u></em>

Step-by-step explanation:

The function given to us is where b > 1

Let us take a function, for example,  

Now, let us check the conditions before we continue:

I. When the x-values increases, the y-values will also increase.

Let us put some values:

y = 2 ^ 1

which results to y = 2

and

y = 2 ^ 2

which results to y = 4

So this is definetly TRUE.

II. The point: (1,0) is in the table.

Ok, now let us put 1 into x and try to see if it gives us 0

y = 2 ^ 1

y = 2

So this is surely FALSE.

III. As the x-value increase, the y-value decrease.

We have already seen that as x increase, y also increase in part I.

So this is FALSE.

IV. as the x value actually decrease. Now, the y values decrease approaching a singular value.

The exponential function of this form will NEVER go to 0 and is NEVER negative. So as x decreases, y also decrease and came to a value (that is 0) but never becomes 0.

This is TRUE.

Therefore, Option I and Option IV are true.

7 0
3 years ago
Read 2 more answers
Plz answer this question
stellarik [79]

Answer:

3,16,729

Step-by-step explanation:

5 0
3 years ago
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Question 7
Hitman42 [59]

Answer:

f(d) = 15 + 3d

Step-by-step explanation:

Given

a = 15 --- day 1

Rate = 3 -- i.e. triples daily

Required

Determine the function f(d)

The number of customers on a particular day is:

Customers = Day 1 + Rate * Number of days

Represent as a function:

f(d) = a + Rate* d

Where d is the number of days.

So, we have:

f(d) = 15 + 3* d

f(d) = 15 + 3d

8 0
3 years ago
Find the equation of a line, in slope intercept form of a line that passes through the point (-5,-1) and is parallel to the line
Ludmilka [50]

Answer:

y = 1/2x + 3/2

Step-by-step explanation:

Using the equation of the line

y - y_1 = m ( x - x_1)

First find the slope of the line

-2x + 4y = 8

It must be in this form

y = mx + C

4y = 8 + 2x

divide through by 4

4y/4 = 8 + 2x / 4

y = 8 + 2x/4

Let's separate

y = 8/4 + 2x/4

y = 2 + 1/2x

y = 1/2x + 2

Therefore, our slope or m is 1/2

Using the equation of the line

y - y_1 = m ( x - x_1)

With point (-5, -1)

x_1 = -5

y_1 = -1

y - (-1) = 1/2(x - (-5)

y + 1 = 1/2( x + 5)

Opening the brackets

y + 1 = x + 5 / 2

y = x + 5/2 - 1

Lcm is 2

y = x + 5 / 2 - 1/1

y = x + 5 -2/2

y = x +3/2

We can still separate it

y = x /2 + 3/2

y = 1/2x + 3/2

The equation of the line is

y = 1/2x + 3/2

The correct answer is A

3 0
3 years ago
5. Simplify the expression:
Anna007 [38]

Answer:

C

Step-by-step explanation:

2 times 10 is 20. 2 times x is 2x. 2 times -4 is -8. So that gives you 20+2x-8. Combine like terms, so you don't have anything that matches with 2x, so you leave that aside. So you subtract/add 20-8 which gives you 12 and add the 2x on that. So the full answer is 2x+12.

5 0
3 years ago
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