3 years ago

Can someone explain how to do this, please?

Mathematics

1 answer:

BartSMP [9]3 years ago

6 0

Answer:

$\sqrt{ {28x}^{2} - 6x }$

Step-by-step explanation:

You would substitute "2x" for every "x" in the function in the same way you would substitute any other number.

So if f(x)=Sqrt[7x²-3x], then: f(2x)=Sqrt[7(2x)²-3(2x)]

=Sqrt[7(4x²)-3(2x)]

=Sqrt[28x²-6x]

You might be interested in

A recent poll taken by the national ice cream industry shows that 32% of the population names vanilla as its favorite ice cream

lina2011 [118]

Answer:

±0.06

Step-by-step explanation:

The range is 0.28 - 0.16 = 0.12. So half of that is 0.06.

3 0

3 years ago

A decimal that would be more than a half

Reika [66]

Answer:

So basically anything higher than .5 would be x>.5 so it has to be greater than or equal to .51

Step-by-step explanation:

.51 .75 .89 .56 .78 .86 .61 it goes on and on as long as it is greater than .50

4 0

2 years ago

Ming needs 1/2 pint of red paint for an art project.he has 6 jars that have the following amounts of red paint in them.he wants

Dovator [93]

The answer is B 1/4 pint

4 0

3 years ago

Read 2 more answers

The sum of three numbers is 123

Elan Coil [88]

Answer:

Step-by-step explanation:

6 0

2 years ago

How are T minus 4 and T plus 4 related?

NARA [144]

Answer:

T will equal 4

Step-by-step explanation:

T-4=T-4

T+4=T+4

6 0

3 years ago

Can someone explain how to do this, please?​

Can someone explain how to do this, please?