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Shkiper50 [21]
2 years ago
15

43. Which function has an x-intercept of 4?

Mathematics
1 answer:
Ulleksa [173]2 years ago
4 0

Answer:

D

Step-by-step explanation:

When f(x) is equal to 0, x=4.

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Alenkinab [10]

Answer:

{ x^2+3x-4}

Step-by-step explanation:

Factor top and bottom.

The numerator is a difference of two squares, and the denominator is a quadratic.

\frac{ {9x}^{2} - {(x}^{2} - 4)^{2} }{4 + 3x - {x}^{2} }

= \frac{ (3x+x^2-4)(3x-x^2+4) }{(1+x)(4-x)}

= \frac{ (x-1)(x+4) (1+x)(4-x) }{(1+x)(4-x)}

If x does not equal -1 and does not equal 4, we can cancel the common factors in italics to give

= { (x-1)(x+4)}

= { x^2+3x-4}

3 0
3 years ago
Read 2 more answers
John is about to roll a six-sided, fair number cube 60 times. He wants to predict how many times the cube will land on an even n
Juli2301 [7.4K]
Even numbers
so each dice has numbers
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odd are others
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therefor 1/2 of 60 is how many times it would get even
1/2 of 60=1/2 times 60=30

No not good predicition
my prediction would be 30 tiemes

4 0
3 years ago
Read 3 more answers
The sun is 93,000,000 miles from Earth. What is the value of the 3 in the number 93,000,000
Lostsunrise [7]

Answer:

three million

Step-by-step explanation:

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3 years ago
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3 years ago
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