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Reika [66]
4 years ago
15

Which equation does not represent y as a function of x? ​ Group of answer choices ​A. 5x2 + 5y = 3 ​B. 2x = 8y C. –4y = –8 D. ​3

x + 6y = –5 E. ​7y2 + 8x = 9 Please Post the explanation!! I want to understand it.
Mathematics
1 answer:
Phoenix [80]4 years ago
3 0

Answer:

The correct option is (C).

Step-by-step explanation:

We need to find the correct option that does not represent y as a function of x.

In options A, B, D and E, both x and y are involved. It means we can represent y as a fucntion of x.

But in option (c), it has only y as a variable i.e.

-4y=-8

y=(8/4)

y = 2

<em>So, this option does not represent y as a function of x. </em>

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F(x) = x ^ 2 . What is g(x) ?
Bond [772]

Given:

The function is:

f(x)=x^2

The graphs of functions f(x) and g(x).

To find:

The function g(x).

Solution:

We have,

f(x)=x^2

The function f(x) is vertically compresses to get the graph of the function g(x). So, the function g(x) is:

g(x)=kf(x)

g(x)=kx^2               ...(i)

From the given graph it is clear that the graph of the function g(x) passes through the point (3,3). So, putting x=3 and g(x)=3 in the above function, we get

3=k(3)^2

3=9k

\dfrac{3}{9}=k

\dfrac{1}{3}=k

Putting k=\dfrac{1}{3} in (i), we get

g(x)=\dfrac{1}{3}x^2

Therefore, the correct option is D.

6 0
3 years ago
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ivolga24 [154]
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7 0
3 years ago
Diane serves breakfast to two groups of children at a daycare center. One box of oaties contains 12 cups of cereal. She needs 1/
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4 years ago
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The volume of the square pyramid is 1450.67

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8 0
4 years ago
A bag contains 8 blue marbles, 6 green marbles, 12 yellow marbles, and 10 orange marbles. A marble is drawn at random from the b
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Probability of anything =

     (number of possible successful outcomes)
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6 0
4 years ago
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