All categories

3 years ago

If ƒ (x ) = 2x 2 + 3, find ƒ (3).

Mathematics

2 answers:

Lostsunrise [7]3 years ago

8 0

Answer:

The answer is 15

Step-by-step explanation:

If ƒ (x ) = 2x 2 + 3, find ƒ (3).

2(3)^2 +3

6^2+3

= 15

dimulka [17.4K]3 years ago

3 0

Answer:

$f(x) = 2 \times 2 + 3 \\ f(3) = 4 + 3 \\ 3f = 7 \\ f = \frac{7}{3}$

You might be interested in

Please help, file is attached

Arada [10]

M/_b = 90-55=35°......

5 0

3 years ago

PLEASE HELP ME WILL GIVE BRAINLIEST TO CORRECT ANSWER

alex41 [277]

common difference, d = -3

f1 = -13

An arithmetic sequence f(n) = f1 + d(n - 1)

so f(n) = -13 - 3(n - 1)

f(46) = -13 - 3(46-1) = -13 -3(45) = -13 - 135 = -148

Answer:

f(46) = - 148

8 0

3 years ago

Read 2 more answers

Sunita bought a 10Kg. box of grapes from the market. She gave

grigory [225]

4 1/4 kg grapes were left with her.

8 0

3 years ago

Read 2 more answers

Mikaela placed a frame around a print that measures 10 inches by 10 inches. The area of just the frame itself is 69 square inche

olchik [2.2K]

Answer:

1.5 in

Step-by-step explanation:

Let x be the width of the frame.

Side of print=10 in

Area of frame=69 square in

We have to find the width of the frame.

Side of frame=10+x+x=10+2x

Area of square= $(side)^2$

By using the formula

Area of print= $10\times 10=100in^2$

Area of frame with print= $(10+2x)^2$

Area of frame=Area of frame with print-Area of print

$69=(10+2x)^2-100$

$(10+2x)^2=69+100=169$

$(10+2x)=\sqrt{169}=\pm 13$

$10+2x=13$

Because Side is always positive.

$2x=13-10=3$

$x=\frac{3}{2}=1.5$

Hence, width of frame=1.5 in

3 0

3 years ago

In the right triangle above, a = 99 and c= 124. Find the value of b, rounded to the nearest tenth.

Murljashka [212]

Answer:

B= -40

Step-by-step explanation:

So a right triangle has to = 180

So we write the given, which 124+99

we are trying to get 180 so lets subtract that by the equation, 180-124+99

180-(124+99)

12+99=223

180-223

=-43

But in your case it has to be rounded to the nearest tenth

So the answer is -40

8 0

3 years ago