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jarptica [38.1K]
2 years ago
12

If f(x) = x2 + x, find f(-3). -12 3 6

Mathematics
2 answers:
ANEK [815]2 years ago
4 0

Answer:

-9

Step-by-step explanation:

-3(2) + (-3)

-6 + (-3)

-9

makkiz [27]2 years ago
4 0

Answer:

f(-3) = 6

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS

Step-by-step explanation:

<u>Step 1: Define</u>

f(x) = x² + x

f(-3) is x = -3

<u>Step 2: Evaluate</u>

  1. Substitute:                    f(-3) = (-3)² + -3
  2. Exponents:                   f(-3) = 9 - 3
  3. Subtract:                       f(-3) = 6

And we have our final answer!

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Don't trust those link my cuz
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3 years ago
Someone please help me
Phoenix [80]

Answer: 120, 60, 180

Step-by-step explanation:

1) Area of a rectangle's formula is:

l × w

So, looking at the diagram, we get:

6 × 20 = 120 cm²

2) Area of a trapezoid's formula is:

\frac{a+b}{2} × h (where both a and b are the different base lengths)

So, looking at the diagram, we get:

\frac{10+20}{2} × 4 = 60 cm²

3) Add both to find the area of the entire figure.

120 + 60 = 180 cm²

8 0
3 years ago
Ben says the angle is an acute angle. Jeff says the angle is less than a straight angle. Explain whether their statements are co
Dahasolnce [82]

Answer:

sometimes, if their average angle is over 45 degrees

never are 2 obtuse angles summing to 180 degrees

always.  two 90 degree angles always sum to 180 which is a straight line

7 0
2 years ago
The Glitz Jewelry Kit contains round beads in 6 different colors plus 100 star-shaped beads.
Alinara [238K]

Answer:

False, it would actually be 106 beads. If this was a multiplication problem, that would also be false, because 6 times 100 is 600, not 350.

But let's attempt to make this statement true.

<u>First/Last step:</u><em> Find the missing beads.</em>

The missing beads are 144.

Why?

Because you must add 144 to reach 250, there is no other way but to multiply. In this case, because the key word is, "In all" we are adding.

3 0
2 years ago
A powdered drink mix calls for a ratio of powder to water of 1:8. If there are 32 cups of powder, how many total cups of water a
Kruka [31]
256 are needed because 32x1=32 that means the ratio would be 32:256 because 8 x 32 = 256
The final ratio would stay the same as 1:8 though because it would be simplified.
Hope this helped.
7 0
3 years ago
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