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3 years ago

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Mathematics

1 answer:

deff fn [24]3 years ago

5 0

1. Exponential Function
2. Quadratic Function
3. Piecewise Function
4. Absolute Value Function
5. Is choice 4

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Which of the following representations are functions?

allsm [11]

Answer: A and B only

Step-by-step explanation:

In function, for one value of x there must be only one value of y.

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3 years ago

Estimate the limit A B C D

Lera25 [3.4K]

Answer:

C. $\lim_{x\rightarrow f(x)=2$

Step-by-step explanation:

Given problem is $\lim_{x\rightarrow \frac{\pi}{4}}\frac{tan(x)-1}{x-\frac{\pi}{4}}$ .

Now we need to evaluate the given limit.

If we plug $\x=\frac{\pi}{4}$ , into given problem then we will get 0/0 form which is an indeterminate form so we can apply L Hospitals rule

take derivative of numerator and denominator

$\lim_{x\rightarrow \frac{\pi}{4}}\frac{tan(x)-1}{x-\frac{\pi}{4}}$

$=\lim_{x\rightarrow \frac{\pi}{4}}\frac{sec^2(x)-0}{1-0}$

$=\frac{sec^2(\frac{\pi}{4})-0}{1-0}$

$=\frac{(\sqrt{2})^2}{1}$

$=\frac{2}{1}$

Hence choice C is correct.

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3 years ago

Can someone help me?

german

Step-by-step explanation:

p1=7

p2=10

p3=13

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3 years ago

Junnie walked for 2.5 hours at a speed of 3.miles per hour. How far did Junnie walk?

Leona [35]

Answer:

7.5 miles

Step-by-step explanation:

2.5 times 3

hope this can help you :-P

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3 years ago

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Caroline, krutika and Natasha share some sweets in the ratio 4:5:1

Harrizon [31]

Answer:

Ratio 4 is for Caroline, ratio 5 is for krutika, ratio 1 is for Natasha

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3 years ago

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