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Snezhnost [94]
3 years ago
6

What is the range of f(x) = (3/4)^x – 4?

Mathematics
2 answers:
Alchen [17]3 years ago
7 0

Answer:

set builder notation is  {f(x) | f(x) ≥ –4}

Interval notation is [-4, ∞)

Step-by-step explanation:

f(x) = (\frac{3}{4})^x -4

Range is the set of all y values for which the function is defined

In general, for function f(x)= a^x +k the range of the function is f(x)>= k

Now we compare general form of the function with the given function and find out the range

the value of k = -4

so the range of the given function is f(x) >= -4

set builder notation is  {f(x) | f(x) ≥ –4}

Interval notation is [-4, ∞)

Nostrana [21]3 years ago
6 0
Range = <span>{f(x) | f(x) ≥ –4}</span>
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Bond [772]

Answer:

1.668x10^13

Step-by-step explanation:

5 0
3 years ago
Use the method from the Example to approximate the solution to the equations below to two decimal places.
STALIN [3.7K]

Answer:

x = 3.85

Step-by-step explanation:

Given equation:

6ˣ = 1,000

now,

on taking log both sides, we get

⇒ log(6ˣ) = log(1,000)

or

⇒ log(6ˣ) = log(10³)

now we know the property of log function that

log(aᵇ) = b × log(a)

thus, applying the above property, we get

⇒ x × log(6) = 3log(10)

or

⇒ x × log(2×3) = 3log(10)

now,

we have another property of log function as":

log(A) = log(A) + log(B)

therefore,

x × [log(2) + log(3)] = 3log(10)

also,

log(10) = 1

log(2) = 0.3010

log(3) = 0.4771

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⇒ x × [0.3010 + 0.4771 ] = 3 × 1

or

⇒ x × 0.7781 = 3

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3 0
3 years ago
How many 3 3/4 inch wires can be cut from a spool if wire that is 100 inches how much will be left over
Akimi4 [234]

How many 3\frac{3}{4} wires can be cut from a spool of wire that is 100 inches long?

How many inches will be left over?

Number of pieces of wires = length of spool of wire ÷ length of each piece of wire.

Number of pieces = 100 ÷ 3\frac{3}{4} = 100 ÷ \frac{15}{4}

That gives \frac{100 * 4}{15}

Simplifying gives \frac{400}{15} = \frac{80}{3}

This is equivalent to 26\frac{2}{3} pieces

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6 0
3 years ago
Maddie has a gross monthly income of $2200. She has 35% of her paycheck withheld as deductions.
Softa [21]

Answer:

The percent of net income Maddie gives as rent = 29.97%

Step-by-step explanation:

Given:

Gross monthly income for Maddie = $2200

Percentage of her paycheck withheld = 35%

Amount paid for rent = $400

To find the percent of her net monthly pay that goes to rent.

Solution:

Amount of paycheck withheld as deductions :

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⇒ 35% of $2200

⇒ 0.35\times $2200

⇒ $ 770

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3 0
3 years ago
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padilas [110]

Answer:

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8b) 22,252

9a) 18.873

9b) 0.37

10a) 14.981

10b) 2400

7 0
2 years ago
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