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rosijanka [135]
3 years ago
8

I dont need any work just the answer for both worth 300 points

Mathematics
2 answers:
Jobisdone [24]3 years ago
4 0
A for #1
C for #2 ! Hope this helped you out!
s2008m [1.1K]3 years ago
3 0

1) For any one input there is only one output,

So because there are 2 x's with 4 and they both have different outputs ( y values are different) it cannot be a function.

The answer is D.


2) There are two x's using -3 and each Y value is different, one is 2 and the other is 0, so it is not a function.

The answer is D.

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What is the factorization of 3x2 – 8x + 5?
Tanzania [10]

Answer:

(x-1)(3x-5)

Step-by-step explanation:

Factorize means convert and expression into multiple factors.

You have to find to factor that multiplied equals the original equation. Firts of all you split the expression of  square X into 3X an X, so you  guarantee that when you multiply 3X by X, the result is 3X^2.

After doing that, you need to think in numbers that equals the middle term (8X) and the constant (5).

-1 and -5 guarantee you that the multiplication of them results into +5, so you start with those numbers. Then you have to find where to put them in order to find the -8X.

-5 x X = -5X

-1 x 3X = -3X

And adding those two expresion you find the -8X that you need!

Please try to solve it multiplying term by term and check the final equation.

7 0
3 years ago
A car travels 120 miles in 3 hours at a constant speed. How long will it take for the car to travel 200 miles?
weqwewe [10]

Answer:

5

Step-by-step explanation:

To calculate the travel speed per hour, divide 120 by 3. 120/3 = 40 mph. Now to calculate the time it will take to travel 200 miles, divided 200 by 40 mph. 200/40 = 5

6 0
2 years ago
Read 2 more answers
How does the graph of g(x)=1/x-5. +2 compare to the graph of the parent function f(x)=1/x
malfutka [58]

Answer:

x value of vertical asymptote and y value of horizontal asymptote

Step-by-step explanation:

The graph of 1/x approaches infinity as x approaches 0 (the vertical asymptote)

As x gets either bigger or smaller, 1/x approaches the x-axis (from above on the positive side, from below on the negative side) (the horizontal asymptote)

Consider 1/(x-5) + 2, at what value of x does the graph 'go nuts' ?

When the bottom of the fraction becomes 0, x - 5 becomes 0 when x = 5, so the vertical asymptote of g(x) is at x=5

What value of y does f(x) approach as x gets more positive or more negative - as x gets bigger (as an example), y approaches 0

What y value does g(x) approach as x gets bigger?  Well, as x gets big, 1/(x-5) gets small, approaching 0.  The smallest 0 + 2 can get is 2, so y=2 is the horizontal asymptote

8 0
3 years ago
Write a relationship for a function whose k(x) values are 5 more than four times the principal square root of x .
bearhunter [10]

Answer:

k(x)=5+4\sqrt{x}

Step-by-step explanation:

Write a function whose k(x) values are 5 more than four times the principal square root of x.

So,

the principal square root of x =\sqrt{x};

four times the principal square root of x =4\sqrt{x};

5 more than four times the principal square root of x =5+4\sqrt{x};

Thus,

k(x)=5+4\sqrt{x}

4 0
2 years ago
Fish oil contains fatty acids that are good for the heart! Some studies show that they may reduce the risk of coronary disease!
VikaD [51]
Your doctor wants you to take 12 tablets per day.

Each tablet is 250 mg, so 4 tablets make 1g.


4 tablets x 3g = 12 tablets a day
4 0
3 years ago
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