3 years ago

1. Consider the function f(x) = x² – 9. Algebraically determine the domain of y = Vf(x) . State using set notation.

Mathematics

1 answer:

AfilCa [17]3 years ago

8 0

Answer:

-3<x<3

Step-by-step explanation:

let y=0

0=x^2-9

0=(x+3)(x-3)

x=-3 and x=+3

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Points,lines,and planes 1.3 Answer key

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Answer:

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Step-by-step explanation:

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3 years ago

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4 years ago

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Dahasolnce [82]

Answer:

The business started with 23/24 of their tank full

Step-by-step explanation:

Step 1.

Find the LCM of the denominators (2,6 and 8)

=24

Step 2.

Change all the fractions to have a denominator of 24

1/6=4/24

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Step 3.

Work backwards

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3 years ago

If 4x+y=h, then x is equal to

lianna [129]

4x + y = h

Rearrange the problem so your equation equals x, not h
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Divide both sides by -4
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Cheers!

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4 years ago