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KonstantinChe [14]
2 years ago
13

Worth 40 points! Select the correct answer.

Mathematics
1 answer:
tresset_1 [31]2 years ago
8 0

Answer:

Its A

Step-by-step explanation:

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The answer is D, it's (4x^2)^3
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For the bar graph, what is the total population surveyed?
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If f (x) = 2 x + 5 and three-halves are inverse functions of each other and f (x) = 2x + 5, what is
marusya05 [52]

Answer:

See explanation

Step-by-step explanation:

The question has conflicting details

f(x) = 2x + 5

f(x) = 2x + 5 and three halves doesn't sound correct.

So, I will take f(x) as

f(x) = 2x + 5

Next, solve for the inverse function

Replace f(x) with y

y = 2x + 5

Swap x and y

x = 2y + 5

Make 2y the subject

2y = x-5

Make y the subject

y = \frac{x-5}{2}

Replace y with the inverse sign

f^{-1}(x) = \frac{x-5}{2}

So, now we can calculate any value from the original function and from the inverse function.

For instance:

f^{-1}(7) = \frac{7-5}{2} = \frac{2}{2} = 1

f(1) = 2*1 + 5 = 2+5=7

7 0
3 years ago
When you need a fraction of a number like 1/3 of 9 how do you find out how much you need?
Natalija [7]

To find out how much you need when you need a fraction of a number like 1/3 of 9, you can multiply the whole number by the fraction in most cases.

In some cases however, you can convert the whole number into a fraction and then divide it to get the amount in fractional units that you require.

For example:

1/3 of 9

Convert 9 to a fraction.

1/3 / 9/1

1/3 x 9/1 = 3/9

Therefore you would need 3 of 9 for 1/3.

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Which phrase describes the variable expression y-12
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The number y, decreased by 12
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Read 2 more answers
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