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3 years ago

Will mark BRAINLIEST thank you!

Mathematics

1 answer:

krek1111 [17]3 years ago

8 0

Answer:

The above mentioned answer is wrong

Correct answer is option b)14000

Step-by-step explanation:

By the rule of front-end estimation

719 is estimated as 700

And 26 is estimated as 20 .

The product of 719 and 26 is estimated by multiplying 700 and 20.

The product of 700 and 20 is 14000

Hence the correct answer is option b) 14000

HAVE A NICE DAY!

THANKS FOR GIVING ME THE OPPORTUNITY TO ANSWER YOUR QUESTION. 

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Corrected Question

Is the function given by:

$f(x)=\left\{\begin{array}{ccc}\frac{1}{4}x+1 &x\leq 4\\4x-11&x>4\end{array}\right$

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Answer:

(D) Yes, f(x) is continuous at x = 4 because $Lim_{x \to 4}f(x)=f(4)$

Step-by-step explanation:

Given the function:

$f(x)=\left\{\begin{array}{ccc}\frac{1}{4}x+1 &x\leq 4\\4x-11&x>4\end{array}\right$

A function to be continuous at some value c in its domain if the following condition holds:

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$Lim_{x \to c}$ f(x)$ exists.

$f(c)=Lim_{x \to c}$ f(x)$

At x=4

$f(4)=\dfrac{1}{4}*4+1=2$

$Lim_{x \to 4}f(x)=2$

Therefore: $Lim_{x \to 4}f(x)=f(4)=2$

By the above, the function satisfies the condition for continuity.

The correct option is D.

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