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Dimas [21]
3 years ago
8

How would you solve for f(-x) ? f(x) = x^2 +3x + 9

Mathematics
1 answer:
spin [16.1K]3 years ago
7 0

9514 1404 393

Answer:

  f(-x) = x^2 -3x +9

Step-by-step explanation:

Use -x as the argument of the function.

  f(-x) = (-x)^2 +3(-x) +9

  f(-x) = x^2 -3x +9 . . . . . . . . simpify

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Answer:

a=2.25

Step-by-step explanation:

Given the equation 4.5=2a, you'd finds the value of "a" and divide both sides by 2.

4.5/2=a

2.25=a

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6 0
3 years ago
At-home medical test kits have increased in popularity in recent years. This​ year, 380 million test kits are expected to be sol
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3 years ago
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FrozenT [24]
In complex calculations like this,  the precedence goes like this

B = Brackets
O = Of (or Exponent)
D = Division
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S = Substraction

So, in your formula, it will go like this

1/2x3+1/4x2
= 0.5 x 3 + 0.25 x 2
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Hope this helps.
4 0
3 years ago
Hal ran 1 2/5 miles on Monday and 3/4 of a mile on Tuesday. How far did he run in total for the two days?
spin [16.1K]

Answer:

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Step-by-step explanation:

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