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sergij07 [2.7K]
3 years ago
10

If f(n) = n^ 2 - n, then f(-4) is _____. -20 20 12 -12

Mathematics
2 answers:
Rainbow [258]3 years ago
6 0
Given  f(n)=n^2-n
           f(-4)=(-4)^2-(-4)=?
nedd some conversation for better understanding
alexandr402 [8]3 years ago
4 0

Answer:

its 20

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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3 years ago
(3x3 + 12x2 - 10) - (5x3 - 4x2 - x + 5) =
mojhsa [17]

Answer:

-2x³ + 16x² + x - 15

Step-by-step explanation:

Multiply the equation in the right bracket with the minus sign

3x3 + 12x2 - 10 - 5x3 + 4x2 + x - 5

Collect like terms

= 3x3 - 5x3 +12x2 + 4x2 + x - 10 - 5

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6 0
3 years ago
Read 2 more answers
Please help thank you.
Wittaler [7]
30 60 90 right triangle
leg = 6 so other leg = 6√3

A = (1/2)(6+6)( 6√3+ 6√3)
A = 6 (12√3)
A = 72√3

answer is D
72√3

7 0
4 years ago
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