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cupoosta [38]
3 years ago
13

Evaluate \dfrac{e}{4}+2f-3

Mathematics
1 answer:
Igoryamba3 years ago
8 0

Answer:

The value of given expression is 1.

Step-by-step explanation:

Consider the given expression is

\dfrac{e}{4}+2f-3

When e=12 and f=\dfrac{1}{2}.

Substitute e=12 and f=\dfrac{1}{2}  in the given expression.

\dfrac{12}{4}+2(\dfrac{1}{2})-3

On simplification we get

3+1-3

1

Therefore, the value of given expression is 1.

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A 2-column table with 7 rows. The first column is labeled x with entries negative 3, negative 2, negative 1, 0, 1, 2, 3. The sec
DochEvi [55]

The statements that are true about the intervals of the continuous function are Options 2, 4  and 5

  • f(x) ≤ 0 over the interval [0, 2].
  • f(x) > 0 over the interval (–2, 0).
  • f(x) ≥ 0 over the interval [2, ).

<h3>What is the statement about?</h3>

Looking at the values given, the intervals which satisfies the condition are known to be:

f(x)<=0 over the interval [0,2]

f(x)>0 over the interval (-2,0)

f(x)>=0 over the interval [2,∞)

Because:

Since the table with x  and f(x) values, we have to examine analyze the table and see the each option that is in line with f(x) or not .

Examine the values of x that is from -3 to 3, the f(x) values are both positive and negative . hence f(x)>0 is false over the interval (-∞,3)

Looking at the the interval from 0 to 2, the f(x) values are 0 and negative. Hence, f(x)<=0 over the interval [0,2]

When you look over the interval (-1,1), the f(x) values are said to be both positive and negative and as such, f(x)<0 is false over the interval (-1,1)

When you look at the interval (-2,0) , the f(x)  is positive and as such, f(x)>0 over the interval (-2,0)

Looking at the interval  [2,∞), f(x) is positive and as such, f(x)>=0 over the interval [2,∞)

Therefore, Option 2, 4 and 5 are correct.

Learn more about interval from

brainly.com/question/14454639

#SPJ1

6 0
2 years ago
Divide.
MArishka [77]

Answer:

3.75

Step-by-step explanation:

5 1/4÷1/3

so,

= 5 1/4×3/1

= 5 × 0.75

= 3.75

8 0
3 years ago
Please help it’s due today. Stay safe! :) (:
Naya [18.7K]

Answer:

Imani

Step-by-step explanation:

It izz wat it izzzz!!!

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8 0
3 years ago
Solve the equation x/4 - 7 = y for x
expeople1 [14]

Answer:

x = 4y + 28

Step-by-step explanation:

x/4 - 7 = y

+7              +7

x/4 = y + 7

× 4             × 4

x = 4y + 28

7 0
3 years ago
Read 2 more answers
Can Someone Help Me Please
iren2701 [21]

Answer:

b

Step-by-step explanation:

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