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olchik [2.2K]
3 years ago
15

F(x) = x2 + 4 What is f(-3)?

Mathematics
2 answers:
Shkiper50 [21]3 years ago
8 0

Answer:

f(-3) = 13

Step-by-step explanation:

f(x) = x² + 4        Substitute -3 for x

f(-3) = (-3)² + 4   Simplify the exponent

f(-3) = 9 + 4        Add

f(-3) = 13

If this answer is correct, please make me Brainliest!

Juliette [100K]3 years ago
5 0

Answer:

It’s 13

Step-by-step explanation:

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1. 2^2=4
Sqrt(2) ≈1.4

4+1.4=5.4

2. -2^2 = -4
Sqrt(-2) = -1.4 i -> 1

3. 3x + 2 = 14
3x=12
X= 4
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3 years ago
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Figure out the number combination. WIll choose brainliest.
strojnjashka [21]

Answer: Combination: 9636

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2 years ago
Maria figure that the bowling balls on a rack weighed a total of 240 lb how many 16 pound bowling balls weigh a total of 240 lbs
Naddik [55]

240 = 16x is about an equation but you can make it more complicated by adding unneeded parts for example 240 = 16x - 81 + ((15x) + 15) - (x^2 / 2) - 45 - 1.5.

7 0
4 years ago
Solve for x in the triangle. Round your answer to the nearest tenth.<br> 13<br> 32°
zloy xaker [14]

Answer:

6.9

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5 0
3 years ago
The perimeter of a rectangle is 96 ft and the width is 22 ft what is the length of the rectangle
UNO [17]

The length of the rectangle is 26ft.

What is the perimeter of a rectangle?

  • The sum of all sides of a rectangle is the perimeter of the rectangle.
  • A rectangle has two equal lengths and two equal widths.
  • Therefore, the perimeter 'P' of a rectangle is the sum of two equal lengths and two equal widths.
  • That is, 'P=2l+2w' where 'l' is the length and 'w' is the width of the rectangle.

<h3>What is the length of the rectangle with perimeter 96ft and the width 22ft?</h3>

The perimeter of a rectangle is, P = 96 ft.

The width of the rectangle is, w = 22ft.

As we know the perimeter P of a rectangle is given by the formula, P=2l+2w

Therefore, substituting the values in the equation we get,

P = 2l + 2w

96 = 2l + 2*22

96 = 2l + 44

2l = 96 - 44

2l = 52

l = 52/2

l = 26

Hence, the length of the rectangle is 26ft.

Learn more about the perimeter of a rectangle at brainly.com/question/19819849

#SPJ4

8 0
2 years ago
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