3 years ago

I really need help,please!!

Mathematics

1 answer:

Margaret [11]3 years ago

5 0

Answer
D
Explanation because I know

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Answer:

The answer is 441

Step-by-step explanation:

7 x 63 = 441

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3 years ago

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Answer:

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Step-by-step explanation:

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vladimir2022 [97]

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3 years ago

Suppose that a function f(x) is defined for all real values of x except at xequals=c. can anything be said about the existence

Margaret [11]

we are given that

f(x) is defined for all values of x except at x=c

Limit may or may not exist

case-1:

If there is hole at x=c , then limit exist

case-2:

If there is vertical asymptote at x=c , then limit does not exist

Examples:

case-1:

$\lim_{x \to c} \frac{x^2-cx}{(x-c)}$

We can simplify it

$\lim_{x \to c} \frac{x(x-c)}{(x-c)}$

$=\lim_{x \to c} x$

$=c$

so, we can see that limit exist and it's value defined

case-2:

$\lim_{x \to c} \frac{1}{(x-c)}$

Left limit is

$\lim_{x \to c-} \frac{1}{(x-c)}$

$=-\infty$

Right Limit is

$\lim_{x \to c+} \frac{1}{(x-c)}$

$=+\infty$

so, we can see that left limit is not equal to right limit

so, limit does not exist

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3 years ago

The number of siblings a student has and the grades they have in math class.

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It has no correlation so C.

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3 years ago