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Amanda [17]
2 years ago
15

Find f(-1) when f(x) = x 2 - 5x - 3

Mathematics
2 answers:
irga5000 [103]2 years ago
5 0

Answer:

f(- 1) = 3

Step-by-step explanation:

To evaluate f(- 1) substitute x = - 1 into f(x) , that is

f(- 1) = (- 1)² - 5(- 1) - 3 = 1 + 5 - 3 = 3

svet-max [94.6K]2 years ago
4 0

Answer:

Step-by-step explanation:

<h3>f(-1)  =(- 1)^2 - 5.(-1) - 3 = 3</h3>
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What is the sum of the interior angles of the polygon shown below?
Yanka [14]

Answer:

540 degrees

Step-by-step explanation:

The formula to find the sum of interior angles in any polygon is the following:

S=180(n-2)

Where (n) represents the number of sides in the polygon. In this case, the polygon has (5) sides, therefore substitute (5) in place of (n) and solve;

S=180(n-2)\\\\S=180(5-2)\\\\S=180(3)\\\\S=540

4 0
3 years ago
5/6 + 1/10 - 3/4<br> (2/5 x 5/7) - 1/4<br> 2/5 - 3/4 : 5/6<br> AYUDA PORFAVORRR ES PARA HOY!
stellarik [79]

Answer: Id.k lol

Step-by-step explanation:

7 0
3 years ago
The cost of providing water bottles at a high school football game is $35 for the rental of the coolers and $0.50 per bottle
zloy xaker [14]

The cost function is an illustration of a linear function

The equation of the cost function is C(x) = 35 + 0.5x

The given parameters are:

Rentals = 35 -- the cost of renting a cooler

Rate = 0.5 --- the rate per bottle

Assume the number of bottles in a cooler is x.

The cost function for the bottles in a cooler would be:

C(x) = Rentals + Rate \times x

So, we have:

C(x) = 35 + 0.5\times x

Evaluate the products

C(x) = 35 + 0.5x

Hence, the equation is C(x) = 35 + 0.5x

Read more about linear functions at:

brainly.com/question/15602982

7 0
2 years ago
What is the value of x in the triangle? A. 21 B. 10 C. 7 D. 7√3
enyata [817]
A

Working:
Tan(angle)=opposite/adjacent
Tan60 = x/7root3
x=7root3 x Tan60
Enter in calculator
x=21
4 0
3 years ago
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Sophie [7]

Answer:

Ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc

Step-by-step explanation:

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3 0
3 years ago
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