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Natasha_Volkova [10]
3 years ago
5

2. Which of the following methods can't be used to find the zeros of a function?

Mathematics
1 answer:
ser-zykov [4K]3 years ago
5 0

Answer:

The correct option is;

Substitute x = 0 in the function  and solve for f(x)

Step-by-step explanation:

The zeros of a function are the values of x which produces the value of 0 when substituted in the function

It is the point where the curve or line of the function crosses the x-axis

A. Substituting x = 0 will only give the point where the curve or line of the function crosses the y-axis,

Therefore, substituting x = 0 in the function  can't be used to find the zero's of a function

B. Plotting a graph of the table of values of the function will indicate the zeros of the function or the point where the function crosses the x-axis

C. The zero product property when applied to the factors of the function equated to zero can be used to find the zeros of a function

d, The quadratic formula can be used to find the zeros of a function when the function is written in the form a·x² + b·x + c = 0

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Carly has 15 stuffed animals. How many ways are there to organize her top 3 favorites?
Ivanshal [37]
Well, the answer will depend on whether the order will count or not (based on Permutations and Combinations). <em>If the order counts</em>, then we would use the formula for Permutations, which is:
\frac{n!}{(n-r)!}
Where n is the number of items you have, and r is the number of times you choose from the items.
\frac{15!}{(15-3)!}
Which simplifies to
\frac{15!}{(12)!}
Which simplifies to 15*14*13 (because all the numbers 1-12 in the factorial canceled out), which gets us the answer 2730.

Now, if you wanted to find the number of ways to order the toys without replacement (<em>order doesn't count</em>), you would use the formula:
\frac{n!}{r!(n-r)!}
The  variables are still the same, but you are now multiplying by r!.
\frac{15!}{3!(15-3)!}
Simplifies to
\frac{15!}{3!(12)!}
Which simplifies to (using the same cancellation method above)
\frac{2730}{3!}
Dividing 2730 by 3! will get us an answer of 455.

Really, it depends on whether they are ordered or not. In this case (since you didn't specify whether the order mattered), the answer would be 455 or 2730.

:)
4 0
3 years ago
Roger could fit seven action figures on each shelf in his room. His room has two shelves. How many action figures total could hi
Leno4ka [110]

If 7 action figures are on each shelf

Then

in 2 shelves, there are

2x7 = 14 figures

Answer is

shelves hold 14 figures

8 0
1 year ago
Solve for x.<br><br> −8 = 2/3x<br><br> A) −6 <br> B) −9 <br> C) −12 <br> D) −24
Reil [10]

Answer:

C. -12

Step-by-step explanation:

divide each side by 2/3

2/3x ÷ 2/3 = x

-8 ÷ 2/3 = -12

x = -12

7 0
3 years ago
Answer my question please now :L
LUCKY_DIMON [66]

Answer:kdkejtjejejbf he neendhejrhwh

4 0
3 years ago
Read 2 more answers
Please awnser two more questions after this
xenn [34]

Answer:

J(-9,-5)

K(-9,3)

L(0,-2)

M(0,-5)

6 0
2 years ago
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