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2 years ago

State the domain of the function F(x)= (x+3)/(x-1)

Mathematics

1 answer:

Ostrovityanka [42]2 years ago

3 0

Answer:

x < 1 or x > 1

Step-by-step explanation:

The domain of a function is the range of values of the input is real and defined

In this particular function, x = 1 is the only value at which the function is not defined since the denominator x -1 becomes 0 and the function is undefined since division by zero is undefined

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If f(x) = x2 + 3x - 4, find f(4).

Nat2105 [25]

Answer:

f(4) = 24

Step-by-step explanation:

Plug in 4 for x in the equation:

f(x) = x² + 3x - 4

f(4) = (4)² + 3(4) - 4

Remember to follow PEMDAS. PEMDAS =

Parenthesis

Exponents (& Roots)

Multiplication

Division

Addition

Subtraction

and is the order of operation.

First, solve the power:

(4)² = 4 * 4 = 16

Next, multiply 3 with 4:

3 * 4 = 12

Next, combine the terms:

f(4) = 16 + 12 - 4

f(4) = (16 + 12) - 4

f(4) = 28 - 4

f(4) = 24

f(4) = 24 is your answer.

8 0

3 years ago

Read 2 more answers

Seven more than a number

boyakko [2]

Answer:

a + 7?

Step-by-step explanation:

The number we are adding seven to is indefinite, so a variable would be in order. a represents the number being add and 7 is what is being added to a.

Hope this helps you somehow. Have a nice day!

5 0

3 years ago

Question

Serhud [2]

Answer:

$7,000 / $43.50

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$5,000 / $35.00