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ICE Princess25 [194]
2 years ago
9

What is the range of the function f(x) = 2x + 1 given the Domain D = {-1,0, 1, 2}?

Mathematics
1 answer:
Volgvan2 years ago
5 0

Answer:

R= {-1,1,3,5)

Step-by-step explanation:

To find the range, use the domain values as the input and find the output for the function

Domain D = {-1,0, 1, 2}?

f(x) = 2x + 1

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

f(0) = 0 + 1=1

f(1) = 2 + 1 = 3

f(2) = 4 + 1 = 5

The range is { -1,1,3,5}  

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5^x + 5^x+1= 150<br> Find x<br> Help me pls i need soon<br> Tksss
raketka [301]

Answer:

x=2

Step-by-step explanation:

So we have the equation:

5^x+5^{x+1}=150

First, separate the second term:

5^x+(5\cdot5^x)=150

Let u equal 5ˣ. So:

u+5u=150

Combine like terms:

6u=150

Divide both sides by 6:

u=25

Substitute back u:

5^x=25

Take the base 5 logarithm of both sides:

\log_5(5^x)=\log_5(25)

The left cancels:

x=\log_5(25)

Evaluate the right:

x=2

So, our answer is 2.

And we're done!

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3 years ago
Brendan has a cherry tree in his yard. Currently the tree is 9 feet tall. That is 50% taller than it was when Brendan planted it
adell [148]

Answer:

Step-by-step explanation:

The tree when he got it was half the size it is now.  If the tree is 9 feet tall, back then it was half of 9 feet, which is 4.5 feet.

5 0
2 years ago
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morpeh [17]
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2 years ago
QUESTION 29<br> Write the equation of the function.
sweet [91]

Answer:

  y = 2 -√(x+1)

Step-by-step explanation:

The square root function is reflected across the x-axis and shifted 1 unit to the left and 2 units up.

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  y = -√(x+1) . . . shifts the reflected function 1 unit to the left

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The graph is of the equation y = 2 -√(x+1).

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2 years ago
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