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kipiarov [429]
3 years ago
15

Find the range of the function f(x) = 4x – 1 for the domain {-1, 0, 1, 2, 3}.

Mathematics
2 answers:
almond37 [142]3 years ago
6 0
It would be D. {-5,-1,3,7,11}

Hope this helps

Have a great day/night
gulaghasi [49]3 years ago
4 0

Answer:

D

Step-by-step explanation:

f(-1) = -5, so C is incorrect

f(0) = -1, so D is correct

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Answer:        4x² -4

Step-by-step explanation:

First, evaluate the exponent you'll get, 3^{0}+ 4x² -5 then evaluate to get, 1+ 4x² -5. Next, subtract the numbers, 1 + 4x² -5 then to get, -4 +4x². Lastly, rearrange the terms,  -4 +4x² turns into, 4x² -4!

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3 years ago
Find the sum. Express your answer in simplest form.
Marina86 [1]

Answer:

\frac{10x^2+3}{y^2+4}

Step-by-step explanation:

When adding rational numbers, if the denominator is the same you simply keep the denominator (bottom of fraction) as it is and apply the operation given to the numerator ( top of fraction )

So we have \frac{6x^2+5}{y^2+4} +\frac{4x^2-2}{y^2+4} =\frac{(6x^2+5)+(4x^2-2)}{y^2+4}

==> remove parenthesis and apply signs

\frac{x^2+5+4x^2-2}{y^2+4}

==> simplify numerator by combining like terms

\frac{10x^2+3}{y^2+4}

and we are done!

Note:

like terms are terms with the same variable and exponent

An example of like terms are 6x^7 and 3x^7 as they have x as a variable and a power of 7

The like terms being combined here were (6x² and 4x²) and (5 and -2)

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Step-by-step explanation:

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