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3 years ago

Do the functions have the same concavity? f(x)=2x^2-10x-30

Mathematics

2 answers:

kumpel [21]3 years ago

5 0

Answer:

Use the inflection points to set up intervals. Substitute a value into each interval to find where the curve is concave up or down.

The graph is concave up

Gnom [1K]3 years ago

4 0

Answer:

Step-by-step explanation:

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[2P-3.) ^2+(2P+3)^2

WINSTONCH [101]

Answer:

[2P-3.) ^2+(2P+3)^2[2P-3.) ^2+(2P+3)^2[2P-3.) ^2+(2P+3)^2

4 0

3 years ago

Solve the equation for m: m/5 = 60

alex41 [277]

Answer:

m = 300

Step-by-step explanation:

$m/5 = 60$

multiply both sides of the equation by 5

$m = 60 * 5 = 300$

3 0

3 years ago

Read 2 more answers

An electric current of 0.25 A passes through a circuit that has a resistance of

serious [3.7K]

Answer:

37.5 V

Step-by-step explanation:

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8 0

3 years ago

If A = {2, 3, 4, 5} and B = {5, 6, 7, 8}, what is A U B? {2, 3, 4, 5, 6, 7, 8) {5}

Ulleksa [173]

Hey!!!!

Here's your answer:

Solution:

A={2,3,4,5}

B={5,6,7,8}

 A U B={2,3,4,5} U {5,6,7,8}

 ={2,3,4,5,6,7,8}

In case of Union,we have to list all the elements which are present in both sets.

Hope it helps...

Good luck on your assignment

4 0

3 years ago

The ratio of boys to girls in a school chorus is 6:3. If 1/2 of the boys and 1/3 of the girls wore hats in the performance, what

Nikitich [7]

6:3 boys to girls.
say for the sake of it, there are 60 boys and 30 girls.that makes 90 children.if 1/2 of the boys wore hats, then 30 boys wore hatsif 1/3 of the girls wore hats, then 10 girls wore hatsif 30 boys and 10 girls wore hats, then 40 children wore hatsif 40 children wore hats, then 40/90 children wore hats40/90 can be simplified to 4/94/9 children wore hats

5 0

4 years ago