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Elza [17]
3 years ago
9

James creates the table shown to represent the function ƒ(x) = x2 + 8x + 12. Determine the zero(s) of the function.

Mathematics
2 answers:
Gennadij [26K]3 years ago
8 0
I believe that the zeros would be -2 and -6, assuming that the first 2 that you wrote in the equation is supposed to be a power to the x.
skad [1K]3 years ago
8 0

Answer:

x = -6 and -2 are the  zero(s) of the function

Step-by-step explanation:

To find the  zero(s) of the function f(x).

Given the function:

f(x) = x^2+8x+12

Set f(x) = 0

then;

x^2+8x+12 = 0

Now factorize the equation as:

x^2+6x+2x+12 = 0

⇒x(x+6)+2(x+6) = 0

take (x+6) common we have;

(x+6)(x+2)=0

By zero product property we have;

⇒x+6 = 0 or x+2 = 0

⇒x = -6 or x = -2

therefore,  the zero(s) of the function are -6 and -2

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Mark works at a shoe store for 30 hours a week and earns $8.75. During one week Mark sold $480 in shoes. If he receives a 5% com
polet [3.4K]
I'm assuming you mean he earns $8.75 an hour.

So first we have to find out how much money Mark gets without any commission. We do this by multiplying 30 and 8.75 and getting $262.50 .

Then, we have to find the commission. 5% as a decimal is .05, and in order to get 5% of a number, we multiply the 5% and the number together. In other words, we now have to multiply .05 and 480 together, which results in 24.

In conclusion, as a total salary, Mark earns $262.50 + $24, or $286.50
5 0
3 years ago
When Kylie asked her grandfather how old he was, he replied, "the two digits in my age are the ages of your brother isaac and si
Kitty [74]

Answer:

Kylie's grandfather is 73 years old.

Step-by-step explanation:

Let the first digit in Kylie's grandfather's age be x, which is the age of Isaac

Let the second digit in Kylie's grandfather's age be y, which is the age of Kendra.

Therefore from the given information we can say that

(10x + y) + x + y = 83

therefore 11x + 2y = 83

Let us take x  = 7 then we get  77 + 2y = 83 \Rightarrow y = 3

Therefore we can say Issac's age is 7

and Kendra's age is 3

and the age of Kylie's grandfather is 73.

6 0
2 years ago
Amira is painting a rectangular banner 2 1/4 yards wide on a wall in the cafeteria.
Sholpan [36]
What is the question you are asking?
4 0
3 years ago
Which value of K will make x^2-1/4x+k a perfect square trinomial?
lakkis [162]
To find it it is
ax^2+bx+c
if the first term (a) is 1 then c=b/2
b=-1/4
(-1/4)/2=-1/4 times 1/2=-1/8

k=-1/8


4 0
3 years ago
What percent of 134 is 66? (To the nearest tenth of a percent)
seraphim [82]

Answer:

66 is 49.2537313% of 134

Step-by-step explanation:

so 49.26

7 0
3 years ago
Read 2 more answers
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