MATHEMATICS HIGH SCHOOL

Given f^{-1} (x)=2x^3+3. Write an equation that represents f(x).I just need some help. I can't figure out this problem since I'm watching a toddler while doing this.

Answers

Answer 1
Answer:

Answer:

f(x) = [(x - 3)/2]^⅓

Step-by-step explanation:

f(x) is the inverse of f^-1

y = 2x³ + 3

x³ = (y - 3)/2

x = cuberoot [(y - 3)/2]

Interswitch variables

f(x) = [(x - 3)/2]^⅓

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HELP ASAP PLEASE I NEED HELP

Answers

Answer:

A

Step-by-step explanation:

I think it is I'm not sure but I hope it is

What is a correct first step in solving the inequality -4(3-5x)>-6x+9?

Answers

Answer:

you would distribute the -4 into the parenthesis and the answer would be option D

Step-by-step explanation:

Can some one please help me solve this ?

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You're in high school.  You learned a long time ago that the distance between
any two points is . . .

square root of [ (difference in their x-values)²  +  (difference in their y-values)² ].

Your two points are  (-9, 6)  and  (-3, 9).

The difference in their x-values is  6 .
The difference in their y-values is  3 .

The distance between the points is . . .

 square root of [ (6)²  +  (3)² ]  =  √(36 + 9)  =  √45
so this can be set up like a triangle and use that pythagorian theorem
a^2+b^2=c^2
so to find a you subsitute (x₁-x₂) and for b subsitute (y₁-y₂)

we want to find c
so
(-9-(-3))^2+(6-9)^2=c^2
(-9+3)^2+(6-9)^2=c^2
(-6)^2+(-3)^2=c^2
36+9=c^2
45=c^2
square root both sides
√45=c=distance
√45=3√5 in other words 3 times √5

answer is 3√5

Determine the vertex of the following quadratic equation... h(x) = 7(x-5)^2

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Hello,

h(x)=7(x-5)²
h'(x)=14(x-5)
h'(x)=0 <=> x=5
The vertex is (5,0) is a minimum.

You suppose to fence the football ground. The fence should be two meters from the ground. Calculate the length of the fence.​

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Answer:

choose the figure that model 8÷4/3

A Web music store offers two versions of a popular song. The size of the standard version is 2.7 megabytes (MB). The size of the high-quality version is 4.1 MB. Yesterday, there were 1490 downloads of the song, for a total download size of 5227 MB. How many downloads of the high-quality version were there?

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the two equations are:2.7s + 4.1h = 5227ands + h = 1490substitute:2.7(-1h + 1490) + 4.1h = 5227distribute:-2.7h + 4023 + 4.1h= 5227add like terms:1.4h + 4023 = 5227subtract 4023:1.4h = 1204divide:h = 860this means that there are 860 downloads of the high-quality version
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30 × x = 90Plzzz help