If f(x) = 2x2 + 1, what is f(x) when x = 3?

Answers

Answer 1

Answer: if we work out this particular equation according to the acronym PEMDAS (or parenthesis, exponents, multiplication, division, addition, subtraction) this can be easily done. The resulting equation would look as follows PEMDAS2(3)2+16(2)+112+112+1=13

Answer 2

Answer:

Answer:

if we work out this particular equation according to the acronym PEMDAS (or parenthesis, exponents, multiplication, division, addition, subtraction) this can be easily done. The resulting equation would look as follows PEMDAS2(3)2+16(2)+112+112+1=13

Step-by-step explanation:

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It takes 8 minutes for Byron to fill the kiddie pool in the backyard using only a handheld hose. When his younger sister is impatient, Byron also uses the lawn sprinkler to add water to the pool so it is filled more quickly. If the hose and sprinkler are used together, it takes 5 minutes to fill the pool. Which equation can be used to determine r, the rate in parts per minute, at which the lawn sprinkler would fill the pool if used alone?

What two positive real numbers whose product is 50 have the smallest possible sum?

Answers

x * y = 50
y = 50 / x
S = x + y = x + 50 / x
S` = 1 - 50 / x²
1 - 50 / x² = 0
50 / x² = 1
x² = 50
x = √ 50 = 5 √2
y = 50 / 5√2 = 5 √2
Answer:
Those numbers are: x = 5√2 and y = 5√2.

What is 17/100 into a decimal

Answers

The answer is 0.17. To convert fraction to a decimal, you must divide a numerator by a denominator. In 17/100, 17 is the numerator and 100 is the denominator, thus 17/100 = 17 : 100. When you divide by 100, put the decimal spot two spaces from the right-hand side because 100 has two zeros. Therefore: 17/100 = 17 : 100 = 0.1Hope this helps. Let me know if you need additional help!

Answer: 0.17

Step-by-step explanation: To write 17/100 as a decimal, remember that the hundredths place is two places to the right of the decimal point.

This means that 17/100 can be written as the decimal 0.17. Notice that we put the last digit of 19 in the hundredths place.

If g(x) =x2 + 2 find g(3)

Answers

Hey there! :)

Answer:

g(3) = 11.

Step-by-step explanation:

Given g(x) = x² + 2

Plug '3' into 'x' to solve for g(3):

g(3) = (3)² + 2

g(3) = 9 + 2

g(3) = 11.

Answer: g(3)=8

Step-by-step explanation:

If g(x)=x2+2 and you wish to find g(3), you simply sub in the 3 from g(3) into the x from the original equation, making it g(3)=3x2+2. 3 times 2 is 6, plus 2 equals 8.

Solve for x, 4x – 5 = -17

Answers

x= -3
4(-3) = -12
-12-5= -17

How far is the star away from the earth in AU?

Answers

Final answer:

The average distance between a star and Earth is typically measured in astronomical units (AU), which is the average distance between Earth and the Sun. To calculate the distance in AU, divide the star's distance in kilometers or miles by the average distance between Earth and the Sun.

Explanation:

The average distance from the Earth to a star is typically measured in astronomical units (AU). An astronomical unit is defined as the average distance between the Earth and the Sun, which is about 149.6 million kilometers or 93 million miles.

To calculate the distance to a star in AU, you need to determine the star's distance in kilometers or miles and then convert it to AU. For example, if a star is 900 million kilometers away, you divide that distance by the average distance between the Earth and the Sun to get the distance in AU. In this case, the star would be approximately 6 AU away from Earth.

It's important to note that the distances between stars and Earth are incredibly vast, so even a distance of a few AU is still very far.