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faust18 [17]
3 years ago
15

Simplify: ( 6 to the second power minius 7 times 3 ) + 3 cubed

Mathematics
1 answer:
Tju [1.3M]3 years ago
5 0

Answer:

42

Step-by-step explanation:

6 to the second power minius 7 times 3 is 15 then with is cubed it would be 42

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Find X, last two anwsers are 4 and 8
IgorLugansk [536]

Answer:

9

Step-by-step explanation:

8X+4=360-108-80-96

8X+4=76

8X=76-4

8X=72

X=72/8

X=9

8 0
2 years ago
The function of f(x) = 3x + 2 has a domain of -3 < x < 5. What is the domain of f-1(x)?
Flura [38]
<h3>Answer:    -7 < x < 17</h3>

====================================================

Explanation:

Plug in the lower bound of the domain, which is x = -3

f(x) = 3x+2

f(-3) = 3(-3)+2

f(-3) = -9+2

f(-3) = -7

If x = -3, then the output is y = -7. Since f(x) is an increasing function (due to the positive slope), we know that y = -7 is the lower bound of the range.

If you plugged in x = 5, you should find that f(5) = 17 making this the upper bound of the range.

The range of f(x) is -7 < y < 17

Recall that the domain and range swap places when going from the original function f(x) to the inverse f^{-1}(x)

This swap happens because how x and y change places when determining the inverse itself. In other words, you go from y = 3x+2 to x = 3y+2. Solving for y gets us y = (x-2)/3 which is the inverse.

-----------------------

In short, we found the range of f(x) is -7 < y < 17.

That means the domain of the inverse is -7 < x < 17 since the domain and range swap roles when going from original to inverse.

6 0
3 years ago
If we know the diameter of a circle is 10 cm, how long<br> will the circumference be?
mihalych1998 [28]

Answer:

C= π*d

c=  π*10

c= 10 π

c=  10 * π

c= 10*3.14= 31.4 cm

7 0
3 years ago
Read 2 more answers
What is the sum of 0.03 times 10
lubasha [3.4K]

Answer:

0.3

Step-by-step explanation:

also its not a sum, its called a product :)

6 0
3 years ago
Read 2 more answers
Solve for x in the equation x2+2x+1= 17.<br> x=-1: V15<br> x=-11/17<br> X=-2=2.5<br> X=-11 13
Shalnov [3]

Answer:

x=-1

Step-by-step explanation:

x^2+2x=16=0

Use the quadratic formula to find the solutions.

−b±√b2−4(ac)/

2a

Substitute the values

a=1, b=2, and c=−16 into the quadratic formula and solve for x

4 0
3 years ago
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