Mathematics High School

The graph of the function f(x)=-(x+6)(x+2) is shown below. What statement about the function is true ?

A.) the function is increasing for all real values of x
x < -4.
B.) the function is increasing for all real values of x where
-6 < x < -2.
C.) the function is decreasing for all real values of x where
x < -6 and where x > -2.
D.) the function is decreasing for all real values of x where
x < -4.

Answers

Answer 1

Answer:

A

Step-by-step explanation:

in x<-4 the derivative is positive so the function is increasing.

in x>-4 the derivative is negative so the function is decreasing

increasing in (-infinity,-4)

decreasing in (-4,infinity)

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Step-by-step explanation:

I just need help on these two questions ​

Answers

Answer:

Q1) y= 2

Q2) y= 4

Step-by-step explanation:

Q1) If you sub in x as -1, 2 to the power of -1 is 0.5. You always solve the power first, not the multiplication. So then you do 0.5 times 4 and you get 2.

Q2) If you sub in x as 0, anything to the power of 0 becomes 1. 2 to the power of 0 is 1. Then you do the multiplication, 4 times 1 = 4

Simplify.
1/2(4x-10)

Answers

Answer:

2x - 5

Step-by-step explanation:

1/2(4x - 10)

2x - 5

The number 70 is decreased to 41. What is the percentage by which the number was decreased, to the nearest tenth of a percent?

Answers

Answer:

Decreased percent = 41.4 % (Approx.)

Step-by-step explanation:

Given:

Old number = 70

New number = 41

Find:

Decreased percent

Computation:

Decreased number = 70 - 41

Decreased number = 29

Decreased percent = [29 / 70]100

Decreased percent  = 41.42%

Decreased percent = 41.4 % (Approx.)

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Answer:

I think the answer is B not sure

PLZ HELP!!


graph the function and describe how it was transformed from x^2

Answers

Sorry not sure how it was transformed but this is the graph

Answer:

Ax+By=C is the standard form

y-3=(2/3)(x-2)

multiply both sides by 3

3y-9=2(x-2)

3y-9=2x-4

3y-2x=9-4

3y-2x=5

multiply both sides by -1

2x-3y=-5 is the standard form Hope if helps

Help me with this question please

Answers

Step-by-step explanation:

The answer which you have chosen is correct.

Anthony bought 3 chicken wings for $3.00. What's the unit cost of one wing?

Answers

Answer; $1
Explanation 3 divided by 3

Answer:

im pretty sure it $1

Step-by-step explanation:

i might be wrong

The Fast Car Repair Shop charges a $60 fee plus $30 an hour for labor. Jeff's Repair Shop charges $45 an hour. How many hours of labor, x, would make Fast Car Repair Shop's charges less the same as Jeff's Repair Shop's charges?​

Answers

It would take 5 hours

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Answers

Answer:7-11

Step-by-step explanation:I am not sure but I think you just put 7 and 11 hope this helps but have a answer on the side just in case I am wrong

9x + 10y = -11
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9x + 70 = -11
9x + 70 - 70 = -11 - 70
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whoever does this question for me is the best person ever. i will mark brainlest. please help. (question shown above)

Answers

Answer: 1

Step-by-step explanation:

The value of y varies directly with x. When y = 3.5, x = 2.
What is the value of y when x is 16?

Answers

in order to do this problem, you have to divide 16 by 2 to see how many times x was multiplied. you would find that x was multiplied 8 times, so in order to find y, you would multiply 3.5 eight times.

y = 28 when x = 16

An equation is written

ac-b=1

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Answers

Answer:

Step-by-step explanation:

find the slope of the line of best fit shown below.

Answers

The Answer is A, 1/2

HELP DUE IN 10 MINS! Use right triangle trig to solve for the missing angles. Round all answers to the nearest degree (whole number).



x=??

Answers

Answer:

relationship between base and perpendicular is given by tan angle

tan ?=perpendicular./base

tan?=5/16

?=tan-¹(5/16)=17.35=17

a) What is the rate of each pump?

(b) Which pump is the slowest?

Pump A

Pump B

Pump C
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Answers

Answer:

pump A

Step-by-step explanation:

Clayton is at most 2 meters above sea level. Using C for Clayton, which inequality correctly represents this statement?

Answers

Answer:

C ≤ 2

Step-by-step explanation:

Given that :

Clayton is at most 2 meters above sea level ;

Let Clayton = C

Clayton's distance can be represented by the inequality :

2 meters above sea level is positive, +2

At most 2 meters above sea level means, Clayton could be anywhere between + 2 metwrs but not more than 2 meters

Hence, Clayton's distance can be represented by the inequality :

C ≤ 2

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Answer:

The answer is F 10, 20, 30, 40, 50 For every 1 hour you earn 10 dollars and it keeps going


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Answers

Answer:

y= -1x+2

Step-by-step explanation:

i hope this helps :)

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Answers

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Step-by-step explanation:

The top of a ladder rests at a height of 9 feet against the side of a house. If the base of the ladder is 4 feet from the house, what is the length of the ladder? Round to the nearest tenth.







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Step-by-step explanation:

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A
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Answer:

Step-by-step explanation:

a = 7.5 points

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Step-by-step explanation:

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Step-by-step explanation:

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Answers

Answer:

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Answers

She could have 8 pieces of 1/4 sandwiches
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