All categories

3 years ago

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

Mathematics

2 answers:

ikadub [295]3 years ago

8 0

$f(x)=2x^2+1\\\\\text{substitute the value of x to the equation of the function}\\\\f(3)=2\cdot3^2+1=2\cdot9+1=18+1=19$

Ghella [55]3 years ago

6 0

Answer:

The answer is 19

Step-by-step explanation:

You solve it like an regular equation

HOPE THIS HELPS

STAY SAFE:)

You might be interested in

Nine less than a number is no more than 8 and is no less than 3

frozen [14]

9 - x < 8 => -x < 8 - 9 => -x < -1 => x > 1

9 - x > 3 => -x > 3 -9 => -x > -6 => x < 6

So the number is between 1 and 6, notation 1 < x < 6

7 0

3 years ago

Find the difference of 1-3/8

Vilka [71]

1-3=-2 so -2/8 is -1/4 so negative one fourth

3 0

2 years ago

What is the equation of the line shown in this graph?

Grace [21]

Answer:

x=-2

Step-by-step explanation:

It is a straight line when x=-2 :)

8 0

2 years ago

This one is algebra.....

vodomira [7]

${Hello~!\:}$

<h2>Your answer will be is :</h2><h2></h2><h3>B. And C.</h3><h3></h3>

Hope It Helps. . .

#LearnWithBrainly

$\underline{A~n~s~w~e~r~:\;}$

$\bold{Jace\;}$ ^-^

7 0

2 years ago

What is a composite and prime number

Oxana [17]

Prime numbers are numbers that we can only divide by 1 and it self.
example- 2 can only be divided by 2 and 1

composite numbers are numbers we can divide by two or more numbers
example- 4 can be divided by 1,2 and 4.

5 0

2 years ago