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notsponge [240]
3 years ago
10

(HELP I BEG YOU I NEED SLEEP ITS EASY MULTIPLE CHOICE)

Mathematics
2 answers:
OlgaM077 [116]3 years ago
7 0

answer:

f (2) = 6

step-by-step explanation:

  • first plug in 2 as x
  • f(2) basically means x = 2

f (2) = 3(2)^0 - 2(2)^-1 + 4

  • solve the exponents and use PEMDAS

f (2) = 3(2)^0 - 2(2)^-1 + 4

f (2) = 3 - 1 + 4

  • 2 to the 0th power is 1
  • 3 times 1 is 3 so we get 3
  • 2 to the power of -1 is 1/2 (it gets flipped)
  • -2 times 1/2 is -1 so we get 1
  • there is nothing to do with +4 so we bring it down
  • now, simply solve it using PEMDAS

f (2) = 3 - 1 + 4

f (2) = 2 + 4

f (2) = 6

ivann1987 [24]3 years ago
6 0

Answer:the answer will be 6

Step-by-step explanation:

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Factor the polynomial: -43 - 3x2 - 4x
ASHA 777 [7]

Answer:

-3x^2-4x-43

Step-by-step explanation:

factor out the negative signs

remove parenthesis

5 0
2 years ago
A pecan pie is being served for dessert. One piece of pie has an arc length of 7.85 in. It has been cut into 8 equal pieces. Wha
grin007 [14]

Answer:

The radius of the pie is 6.17 in.

Step-by-step explanation:

The formula for arc length as a function of radius is

s = r·Ф, where Ф is the central angle in radians.

Here we know that the arc length is 7.85 in.  Assuming that the whole pie has been cut into 8 equal pieces, the central angle of one such piece is

2π / 8, or π /4 (radians).

thus, s = r·Ф, solved for r, is r = s/Ф

and in this instance r = (7.85 in)/(π/4).  Evaluating this, we get:

                                 r = 6.17 in

The radius of the pie is 6.17 in.

8 0
3 years ago
9
____ [38]

Answer:

y = 5x+3

Step-by-step explanation:

a general line is represented by the equation:

y = mx + n

a line with m=5, that goes through (-1,-2), should satisfy the equation:

-2 = 5×(-1) + n

this is because any point on the line, satisfies it's equation.

from this we get n = 3, hence our answer

4 0
2 years ago
You took 600mg of pain reliever at
Ber [7]

Answer:

It’s not a question for studying

Step-by-step explanation:

4 0
3 years ago
What are the factors of x^2-x-6
DochEvi [55]

Answer:

(x-3)(x+2)

Step-by-step explanation:

x^2-x-6

i.e,x^2-3x+2x-6

i.e,x(x-3)+2(x-3)

i.e,(x-3)(x+2)

hop it helps ✌️:)

3 0
3 years ago
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