3 years ago

BRAINLIEST!!!!!!!!!!!!!!!!!!

Mathematics

1 answer:

xxMikexx [17]3 years ago

8 0

Answer:

x = 71º

Step-by-step explanation:

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Using laws of exponents, explain how to simplify (x-2)3.

Allushta [10]

Answer:

The answer would be 3x-6

Step-by-step explanation:

3 times x equals 3x. 3 times -2 equals -6. So it would be 3x-6

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Step-by-step explanation:

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3 years ago

Find the area of the polygon. A)125ft B)140ft C)165ft D)345ft

jek_recluse [69]

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3 years ago

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Is f(x) continuous at x equals 4? Why or why not? A. No, f(x) is not continuous at x equals 4 because ModifyingBelow lim Wit

soldier1979 [14.2K]

Corrected Question

Is the function given by:

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

continuous at x=4? Why or why not? Choose the correct answer below.

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:

f(c) exists and is defined.

$Lim_{x \to c}$ 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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3 years ago

Please help me with these 3 problems ASAP.

r-ruslan [8.4K]

Answer:

For the first question(B)

x=-2

x=5

For part C, the question is not clear

For the last question, the approximated value is -5/4

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3 years ago