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MissTica
3 years ago
10

You ride your skateboard to school and tell all your friends you rode at a speed of 25 mph. They know this cannot he true becaus

e they know
A. When you left the house and when you arrived at school
B. How far school is from your house and what time school starts
C. The distance between your house and school and how long it took you to get there
D. The distance between school and your house and the direction you traveled.

Mathematics
1 answer:
andrew-mc [135]3 years ago
7 0
<span>The distance between your house and school and how long it took you to get there</span>
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lara31 [8.8K]

Answer:

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3 years ago
A fish tank is 60% if the way full when it has 25 gallons. How many total gallons can the fish tank hold ?
sdas [7]
The tank can hold 31.8 gallons of water.
3 0
3 years ago
F (x) = 3x + 7 <br> F (-4) = <br> F (2) =
V125BC [204]

Answer:

f(-4)=3(-4)+7=0

f(2)=3(2)+7=13

3 0
3 years ago
Read 2 more answers
Derivatives of inverse trigonometric functions please explain answers
Jobisdone [24]

I'll explain how to do the first one:-

y = cos-1(x2)

This can be described as ' a function of a function'   x^2 is a function of x and cos-1(x^2) is a function of x^2.

We need to  apply the chain rule.

Personally I find this  easier to understand if i let u = x^2, so

If y = f(u) and u is a function of x then

dy/dx = dy/ du * du/dx

Here u = x^2  and y = cos-1(u)

du/dx = 2x

so dy/dx = d(cos-1(x^2) dx = dy/du * du/dx


= -1 / √(1 - u^2) * 2x

= -2x / √(1 - u^2)    

= -2x / √(1 - (x^2)^2)

= -2x / √(1 - x^4)

I hope this helps. but if not. you might like to employ the formulae in the question - The square boxes contain the 'u' s in my answer. These formulae are equivalent to my explanation.

6 0
3 years ago
Given that a function, h, has a domain of -3 ≤ x ≤ 11 and a range of 1 ≤ h(x) ≤ 25 and that h(8) = 19 and h(-2) = 2, select the
morpeh [17]

Answer:

Option D. h(2) = 16

Step-by-step explanation:

Verify each statement

case A) h(8) = 21

The statement is false

Because

we know that

h(8)=19 -----> given value

and

If h(8) = 21  then f(x) is not a function

case B) h(13) = 18

The statement is false

Because x=13 not belong to the domain of the function

case C) h(-3) = -1

The statement is false

Because

x=-3 belong to the domain

but

h(-3)=-1   not belong to the range of the function

case D) h(2) = 16

The statement could be true

Because

x=2 ----> belong to the domain of the function

h(2)=16 ----> belong to the range of the function

5 0
3 years ago
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