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2 years ago

Find ƒ–1 for the function ƒ(x) = (x – 10)3 + 4.

Mathematics

1 answer:

RoseWind [281]2 years ago

4 0

Answer:

x=-69/7

Step-by-step explanation:

f (-1) f (x)=(x-10) 3+4

-1=(x-10) 3+4

-1=(x-10) 7

You will multiply 7 by (x-10)

-1=7x-70

Well move the-1 to the right hand side which will become+1 and move the+7x to the left hand side which will become -7x

-7x=-70+1

-7x=-69

So you will divide both sides by-7

-7x/7=-69/7

x=-69/7

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The city council voted on a new tax. 18 council members voted in favor of the tax. The council has 90 members. What percentage o

Marina CMI [18]

Answer:

20%

Step-by-step explanation:

18/90 = .2

Decimal to Percentage Rule: Multiply by 100

.2 * 100 = 20

20%

Hope this helps! Have a nice day!

7 0

2 years ago

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mote1985 [20]

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2 years ago

Find the vertex of this parabola. y = -2x2 + 4x + 12

STatiana [176]

For this case we have the following equation:
$y = -2x ^ 2 + 4x + 12
$
Deriving we have:
$y = -2x ^ 2 + 4x + 12

y '= -4x + 4$
We match zero:
$-4x + 4 = 0
$
We clear the value of x:
$4x = 4

x = 4/4

x = 1$
Then, we substitute the value of x in the equation of the parabola:
$y = -2 (1) ^ 2 + 4 (1) + 12

y = -2 + 4 + 12

y = 14$
Thus, the vertex of the parabola is the ordered pair:
$(x, y) = (1, 14)$
Answer:
The vertice is:
$(x, y) = (1, 14)$

3 0

2 years ago

I need the equation and the answer please it’s due tonight

Greeley [361]

Answer:

The answer is 27.15

this is your equation to your answer step by step

4.40+ 3.25=

7.65

7.65+3.25=10.9

10.9+3.25=14.15

14.5+3.25=17.4