#59 Does the limit of f(x) as x approaches 3=does not exist

Mathematics

1 answer:

8090 [49]3 years ago

4 0

Plug x = 3 into the first piece to get
2(x+1) = 2*(3+1) = 2*4 = 8

Do the same for the last piece
x^2 - 1 = 3^2 - 1 = 9-1 = 8

So as we approach x = 3 from either the left or right side, the limiting value is 8

The final answer is 8

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Equation -2x - 23 = 13x + 22 with explanation plz

vfiekz [6]

Answer:

x = -3

Step-by-step explanation:

first, take out the x on the right side and move it to the left side (subtract the 13x from 13x and subtract 13x from -2x). then amove 23 from the left side to the right side (add 23 to 23 and add 23 to 22). the equation should be -15x = 45 now. divide -15 from both sides and you should get x = -3!

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3 years ago

Find the domain and the range of the relation. Determine whether the relation is a function.

Sauron [17]

It is not a function with domain as { 9 / 2 , 0} and range as {1 / 4, -4, 6}.

We are given a relation:

{(9 / 2, 1 / 4),(4 1 / 2, -4),(0, 5 / 6)}

We can also write it as:

{(9 / 2, 1 / 4),(9 / 2, -4),(0, 5 / 6)}

The domain of the relation will be:

Domain = { 9 / 2 , 0}