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kakasveta [241]
3 years ago
14

Which statement is true about the function f(x)= squared root negative x?

Mathematics
1 answer:
Liono4ka [1.6K]3 years ago
4 0
The answer is the first option: it has the same domain as the function f(x) = - √(-x).

The domain is the set of x-values for which the function is defined.

The square root function is defined only for zero and positve values.

- x is positive when x negative.

So the domain for - √(-x) and √(-x) are the same: x less than or equal to zero.
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A father is twice as old as his son and the sum of their ages is 75. How old is the<br> father?
castortr0y [4]

Answer: 50

Let's first of all assume the son's age as x.

So,

Father's age will be 2x i.e. twice as old as the son

Given that,

Sum of their ages = 75 years

So,

x + 2x = 75

3x = 75

x = 75/3

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Hence,

Son's age = x = 25 years

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8 0
2 years ago
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3 years ago
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What f(x)=5x^2+7x-3 degree
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Step-by-step explanation:

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7 0
3 years ago
Just need the answer guys please
Mkey [24]
The first problem’s answer is true. (P.S. If you don’t understand this type of problems then plug in variables for them. It helps check your answer and solve them too.)

The second problem’s answer is false.

First of all, I plugged in for the variable a to be 6 for the first problem. Second, I plugged in numbers for the variables and x was 5 and x was 2 for the second problem. You can check the steps in the image I took. (P.S. You can use the MathPapa calculator online to solve these problems and plug in the variables.)

(I couldn’t upload the second problem’s step by step sorry, but if you need it then just use the MathPapa calculator by plugging in numbers for the variables.)

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