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Gnesinka [82]
4 years ago
11

If g(x) = 3x - 5, then g -1(x) = a.) 3x + 5 b.) x+5 / 3 c.) x/3 + 5

Mathematics
1 answer:
lisov135 [29]4 years ago
8 0

Answer:

-2

Step-by-step explanation:

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Algebraically determine if the relation y = x3 − 4x is symmetric with respect to the x-axis, y-axis, the origin or has no symmet
Gala2k [10]
\bf y=x^3-4x
\\\\\\
\textit{check for y-axis symmetry}\\\\
\stackrel{x=-x}{y=(-x)^3-4(-x)}\implies y=(-x)(-x)(-x)+4x\implies \boxed{y=-x^3+4x}
\\\\\\
\textit{checking for x-axis symmetry}\\\\
\stackrel{y=-y}{(-y)=x^3-4x}\implies -y=x^3-4x\implies \boxed{y=-x^3+4x}
\\\\\\
\textit{checking for origin symmetry}\\\\
\stackrel{x=-x\qquad y=-y}{(-y)=(-x)^3-4(-x)}\implies -y=(-x)(-x)(-x)+4x
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-y=-x^3+4x\implies y=\cfrac{-x^3+4x}{-1}\implies \boxed{y=x^3-4x}\quad \checkmark

notice, if you replace x = -x and y = -y accordingly for each test for symmetry, if the resulting function, is equal to the original function, then it has that type of symmetry.
7 0
3 years ago
Square root x-2=7<br>answers are<br>a)51<br>b)27<br>c)23 <br>I'm confused on how to do this ?
IgorC [24]
It's A because to remove the radical you do x-2 squared and 7 squared which you will get x-2=49 and then subtract -2 from 49 which gives you 51
4 0
3 years ago
Read 2 more answers
Brian deposited $1,075 in an account that pays 2.35% simple interest for 3 ½ years. (9 pts.) How much total interest did the acc
tangare [24]

Answer:

The total interest the account earned was $88.41.

The ending balance in the account is $1,163.41.

The account earned $25.26 in interests in the first year.

Step-by-step explanation:

The simple interest is one that does not accumulate to the initial capital, that is to say that the capital does not accumulate over the years.

Therefore, if Brian deposited $ 1,075 in an account with an interest of 2.35% per year for 3 and a half years, to obtain the total interest generated by the account, the following calculation must be performed:

(1,075 x 2.35 / 100) x 3.5 = X

25.2625 x 3.5 = X

88.41 = X

Thus, the interest generated during the first year was $ 25.26, while the accumulated interest during 3 and a half years was $ 88.41. In turn, since 88.41 + 1,075 equals 1,163.41, that is the resulting amount after the end of the investment.

3 0
3 years ago
Pls help me right now! and answer correctly​
Bingel [31]

Answer:

8.a 9.d 10.a 11.b

Step-by-step explanation:

this is multiple one .so no steps

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3 years ago
HELP PLEASEEEEEEEEEEEEEE
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Answer:

use photo math

Step-by-step explanation:

ok

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