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anzhelika [568]
2 years ago
12

How to solve polynomials?

Mathematics
1 answer:
liberstina [14]2 years ago
4 0

Factoring:

FOIL (first, outer, inner, last) method

(a+b)(c+d) = 0

ac+ad+bc+bd = 0

Zeros:

(x+a)(x+b) = 0

x+a = 0, x= 0-a

x+b = 0, x= 0-b

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Use the graph of the parabola to identify the domain and range of the function.
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Answer:

B

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It's domain is side from side and so it can't be c or d. and it range goes to a positive number so it has to be B.

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3 years ago
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What is an irrational number
Mademuasel [1]

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Step-by-step explanation:

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Find in cm the diameter of a circle whose radius is 85 mm.
vazorg [7]
Well, you first have to convert the 85 mm to cm, which you divide it by 100, and you get 8.5 cm, then add that with itself and you get 17 cm.
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3 years ago
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During a concert the temperature should not rise above 40 degrees celsius.
gavmur [86]
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4 0
2 years ago
Can you solve this for me
guajiro [1.7K]
g(h(x))=g(\sqrt{x+7})=\dfrac{2}{\sqrt{x+7}+9}\\\\f(g(h(x)))=f\left(\dfrac{2}{\sqrt{x+7}+9}\right)=7\cdot\left(\dfrac{2}{\sqrt{x+7}+9}\right)+9\\\\f(g(h(x)))=\dfrac{14+9\sqrt{x+7}+81}{\sqrt{x+7}+9}\\\\(f\circ g\circ h)(x)=\dfrac{95+9\sqrt{x+7}}{9+\sqrt{x+7}}

With some extra effort, the radical can be removed from the denominator. That result is

(f\circ g\circ h)(x)=\dfrac{9x+14\sqrt{x+7}-792}{x-74}

The preferred form would be the one with the radical in the denominator, as it correctly shows the domain of the function to be x ≥ -7. The function actually is defined at x=74, which the "rationalized" form does not show.
6 0
2 years ago
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