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Ray Of Light [21]
2 years ago
15

Evaluate the function. f(3) = -36 Find f(-2) Answer: 3 2​

Mathematics
1 answer:
k0ka [10]2 years ago
6 0

Answer:

-12

Step-by-step explanation:

f(x) = -3x^2

Let x = -2

f(-2) = -3( -2)^2

     = -3 ( 4)

     = -12

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1. The population of a small town has established a growth rate of 3% per year. If the
Rasek [7]

Answer:

17 years

Step-by-step explanation:

3% of 2000 = 60

3000-200 = 1000

1000 ÷ 60= 16.6666666667

Round to the nearest whole number: 17

8 0
3 years ago
Find the product of (3^6)(3)(3^5) Express your answer using exponents
VikaD [51]

Answer:

3^12

Step-by-step explanation:

When multiplying the same number with different exponents you have to add the the exponents. For example:

a^x + a^y = a ^{x+y}

So (3^6)(3)(3^5) or (3^6)(3^1)(3^5) = 3^(6+1+5) = 3^12

6 0
3 years ago
Read 2 more answers
Find the volume of a cylinder with a diameter of 16 mm and a height of 5.7 mm
Mademuasel [1]
The volume formula for a cylinder is :
V= (pi)(r^2)(h)
So r= d/2 where d = 16mm so r= 8mm h is given as equaling 5.7mm
Now just plug it into the formula.
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3 0
3 years ago
How would you do number 12 and 15?
Gnesinka [82]

Answer:

x_1=x_2=-\dfrac{2}{3}

Step-by-step explanation:

For the quadratic equation ax^2+bx+c=0 the discriminant is defined as

D=b^2-4ac

and the quadratic formula for the roots gives us two roots:

x_1=\dfrac{-b-\sqrt{D}}{2a}

and

x_2=\dfrac{-b+\sqrt{D}}{2a}

For the equation 9x^2 +12x+4=0 use quadratic formula to find roots:

D=12^2-4\cdot 9\cdot 4=144-144=0

So,

x_1=x_2=\dfrac{-12\pm \sqrt{0}}{2\cdot 9}=-\dfrac{12}{18}=-\dfrac{2}{3}

7 0
3 years ago
A restaurant charges $1.30 for one biscuit and two eggs it charges $2.15 for two biscuits in three eggs what is the cost of one
enyata [817]

Answer:

$1.85

Step-by-step explanation:

2.15

-1.30

--------

1.85

4 0
3 years ago
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