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EleoNora [17]
4 years ago
8

1. Consider ihe following functions:

Mathematics
1 answer:
Bas_tet [7]4 years ago
6 0

Answer:

Step-by-step explanation:

1) f(x) =0   : x² +9 =0    means  x² = -9      ..no solutions in R

2)g(x) =0 : (x-9)² =0   means  x-9= 0    ..... single solution : 9

3) h(x)=0 : (x+1)² - 9 = 0 means (x+1)² = 3²   so x+1=3 or x+1 = -3

two solutions : 2 and -4

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Emily has 12 fruits in her bowl. She has 3 apples, 5 bananas, 1 pear and 3 oranges. A fruit is selected at random. What is the p
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Answer: The probability that the fruit is an orange or a pear is \dfrac{1}{3} .

Step-by-step explanation:

Given : Emily has 12 fruits in her bowl.

She has 3 apples, 5 bananas, 1 pear and 3 oranges.

A fruit is selected at random.

P(orange)  = \dfrac{\text{Number of oranges}}{\text{Total fruits}}

=\dfrac{3}{12}

P(pear)= \dfrac{\text{Number of pears}}{\text{Total fruits}}

=\dfrac{1}{12}

Since both events of selecting orange and pear are mutually exclusive , so

The probability that the fruit is an orange or a pear = P(orange) + P(pear)

=\dfrac{3}{12}+\dfrac{1}{12}=\dfrac{4}{12}=\dfrac{1}{3}

Therefore , the probability that the fruit is an orange or a pear is \dfrac{1}{3} .

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4 years ago
Jaffrey was offered a job at $950 per month with a $22 increase every month for the first year. How much money can he make in th
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3 years ago
A number is x units to the right of 0 on a number line. What do you know about the opposite of the number?
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the opposite number is going to be negative because if  x is to the right of the number line then the opposite will be of the left of 0 making the opposite number negative.

Step-by-step explanation:

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For the polynomial P(x) = 7x5 + 583<br> 5x + 6<br> What's the degree of the polynomial?
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Answer:

degree of the polynomial is highest power of x in P(x) .

P(x) = 7x^5 + 583 + 5x + 6

So degree is 5.

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