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nasty-shy [4]
3 years ago
5

3.An increasing linear function with independent variable x and dependent variable y approaches the point (−1, 1). If this funct

ion is defined only when x is greater than −1 and y is greater than 1, what are the domain and range of this function?
A.The domain is (−1,+[infinity]) and the range is (−1,+[infinity]).


B.The domain is (−1,+[infinity]) and the range is (1,+[infinity]).


C.The domain is (1,+[infinity]) and the range is (−1,+[infinity]).


D.The domain is (1,+[infinity]) and the range is (1,+[infinity]).



4.The function y=3x−6 is defined for all values of y less than 12. Determine the value of x that corresponds to the upper boundary y=12.


A.18


B.6


C.2


D.54


5.The function y=2x+5 is defined for every y-value that is not less than 11. What is the domain of this function?


A.(−[infinity], 3)


B.[3,+[infinity])


C.(3,+[infinity])


D.(−[infinity], 3]
Mathematics
1 answer:
lakkis [162]3 years ago
7 0

Answer:

3.

C. The domain is (1,+[infinity]) and the range is (-1,+[infinity])

4.

B. 6

5.

A. (-[infinity], 3)

Step-by-step explanation:

The Linear function has one independent and one dependent variable. The value of dependent variable can be found by taking the equation equals to 0. The domain function is set to analyse the range. The range can be set as -1 to 1. Any number between this is acceptable but outside this is not considered in the domain.

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How do I find:<br> If 6^x=1/216,find the value of x with and without a Casio calculator?
san4es73 [151]

Answer:

The value of x is -3.

Step-by-step explanation:

To find x, we have to put everything in base 6 and continue to simplify. Since we know that 216 is 6^3, we can replace that.

6^x = 1/216

6^x = 1/(6^3)

Now, when there is a power in the denominator, we know we can move it to the numerator by making it negative. We can do that to get the bases to match.

6^x = 1/(6^3)

6^x = 6^-3

Now that they are both put in simple base 6 systems, we can just eliminate the bases and assume that the powers are equal. This lets us know that x = -3.

8 0
2 years ago
PLEASE ANSWER THIS ASAP, I WILL BE GIVING YOU A THANKS! .
timama [110]

Answer:

D.) 12

Step-by-step explanation:

16x - 3(4x + 5) = 2x + 9

16x - 12x - 15 = 2x + 9

4x - 2x = 15 + 9

2x = 24

2x/2 = 24/2

x = 12

Check:

16x - 3(4x + 5) = 2x + 9

16(12) - 3(4(12) + 5) = 2(12) + 9

192 - 3(48 + 5) = 2(12) + 9

192 - 3(53) = 24 + 9

192 - 159 = 33

33 = 33

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2 years ago
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Answer:

In math, value can either refer to the result of a calculation or a variable or constant

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3 years ago
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If y=12 when x=3, find y when x =15 ( Y varies directly as x)​
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