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jenyasd209 [6]
3 years ago
10

Which of the following is an x intercept of the function?

Mathematics
2 answers:
yawa3891 [41]3 years ago
7 0

Answer:

A) 4

Step-by-step explanation:

The given function is f(x)=x^3-5x^2-8x+48

If f(a)=0, then a is an x-intercept of f(x)

Let us substitute x=4 and simplify:

f(4)=4^3-5(4)^2-8(4)+48

f(4)=64-80-32+48

This implies that:

f(4)=-48+48=0

Therefore 4 is an x-intercept of f(x)=x^3-5x^2-8x+48

Also, f(-4)=64, f(2)=20, and f(-2)=36.

This means that, -4, 2, and -2 are not x-intercepts

vampirchik [111]3 years ago
3 0

Answer:

answer is 4 for apex :)

Step-by-step explanation:

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7 0
3 years ago
If a number is divisible by 4, is it also divisible by 8?
a_sh-v [17]

Answer:

yes

Step-by-step explanation:

since 8 = 4*2, any number of the form 8x can be written as 4*2x. so every number divisible by 8 is also divisible by 4.

6 0
3 years ago
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Nadya [2.5K]

Answer:

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Step-by-step explanation:

go to your appstore and download photomath

6 0
3 years ago
On a piece of paper, use a protractor to construct right triangle DEF with DF=8 cm, m∠E=30°, and m∠F=90°. Which statement is tru
Amanda [17]

Answer:

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4 0
2 years ago
if 3 half-gallon containers of ice cream on sale for $6.69,what is the price for 2 half-gallon containers?​
kvv77 [185]
<h3>Answer:  $4.46</h3>

===================================================

Work Shown:

3 containers = 6.69 dollars

3/3 containers = 6.69/3 dollars .... divide both sides by 3

1 container = 2.23 dollars

2*(1 container) = 2*(2.23 dollars) ... multiply both sides by 2

2 containers = 4.46 dollars

A shortcut is to start with "3 containers = 6.69 dollars" and multiply both sides by 2/3

Each mention of "container" refers to a half-gallon container.

6 0
4 years ago
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