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Genrish500 [490]
4 years ago
13

F(x)=x^2 what is g(x)?

Mathematics
1 answer:
Umnica [9.8K]4 years ago
8 0

Answer:

B

Step-by-step explanation:

You are given that a valid point on g(x) is (4,1) or y=1 when x=4

Substitute this point into each of the choices and see which one is valid.

A : g(x) = \frac{1}{4}x² = (1/4) (4²) = 4 ≠ 1 (not valid)

B: g(x) = [(1/4) x]² = [(1/4) 4]² = 1² = 1 (valid)

C: g(x) = 4x² = 4 (4²) = 64 ≠ 1 (not valid)

D: if you expand it out, you'll find that this is identical to option A which we determined earlier to be not valid.

Hence the only valid choice is B

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satela [25.4K]

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First i tough 8.5, but then realized the 2's

would go for 17

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4 years ago
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What is the slope intercept form for the equation of the line provided?
denis-greek [22]

1. The slope intercept form is:

y=mx+b

Where m is the slope of the line and b is the intercept with the y-axis.

2. To calculate the slope, you can use the following formula:

m=\frac{y_2-y_1}{x_2-x_1}

Where:

y_2=-1\\y_1=\frac{15}{2}\\x_2=\frac{1}{8}\\x_1=-2

3. So:

m=\frac{-1-(\frac{15}{2})}{\frac{1}{8}-(-2)}=-4

4. Now you must find b. Substitute any of the given points into the equation and solve for b:

\frac{15}{2}=-4(-2)+b\\\frac{15}{2}=8+b\\b=-\frac{1}{2}

5. Therefore, the answer is the last option:

y=-4x-\frac{1}{2}

4 0
3 years ago
(2x+y=-2<br> 5x + 3y = -8<br> Solve by elimination
Effectus [21]

Answer:

y = -6, x =2

Step-by-step explanation:

To solve by elimination, you have to line both equations up together. Then, you multiply both equations until one variable is removed.

2x+y = -2

5x + 3y = - 8

There are many different ways to solve an elimination problem, but generally you should look for the simplest route. Here, I would multiply the top equation by -3.

-6x -3y = 6

5x +3y = -8

Imagine you are adding the two equations together. You end up with

-x = -2

Then solve for x. In this situation, it is fairly simple. Take out a factor of -1.

x = 2

Finally, choose one of your beginning equations and plug your new-found x value back into the equation.

2(2) +y = -2

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y = -6

8 0
3 years ago
Plzzzz help asap
vlabodo [156]
(x,y) or
(x,f(x))
so just plug the first value in and see if yo get the 2nd value


A. when x=-2, then is f(x)=48?
remember, x^-m=1/(x^m)
3(1/4)^-2=3/((1/4)^2)=3/(1/16)=3*16=48
true

B. x^0=1
so 3(1/4)^0=3(1)=3
true

C. when x=2
3(1/4)^2, 3(1/16), 3/16
true

D. 12
das is obviously false but anyway
3(1/4)^12=3(1/big number)=3/big number=small number but not zero



answer is A,B,C
5 0
3 years ago
2 2\6 = 1 ?\? please answer this I will be so happy if someone does
miskamm [114]

Answer: = 1 8/6

Step-by-step explanation: hope this helps, have an awesome day!!

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