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2 years ago

For the function f(x)=(7-8x)^2, find f^-1 determine whether f^-1 is a function

Mathematics

1 answer:

sertanlavr [38]2 years ago

5 0

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4 X 10⁴) + (6 x 10²)

Ksenya-84 [330]

Answer:40,600

Step-by-step explanation:

10x10x10x10=10,000

10x10=100

4x10,000+6x100

40,000+600=

40,600

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2 years ago

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4 friends share 5 bars what is each person's shere

Papessa [141]

Each person gets 1 1/4 bars.

You divide the 5 bars by 4 people: 5/4 = 1 1/4

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2 years ago

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16 divided by a number minus four is 40

Nastasia [14]

Answer:

16/x - 4 = 40

16/x = 44

16 = 44x

16/44 = 44x

Hope this helps! pls rate me!

Step-by-step explanation:

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2 years ago

To prove :One plus cot square theta into tan theta by sec square theta = cot theta

pickupchik [31]

we are given

$\frac{(1+cot^2(\theta))*tan(\theta)}{sec^2(\theta)} =cot(\theta)$

We will simplify left side and make it equal to right side

Left side:

$\frac{(1+cot^2(\theta))*tan(\theta)}{sec^2(\theta)}$

we can use trigonometric identity

$1+cot^2(\theta)=csc^2(\theta)$

we can replace it

$\frac{(csc^2(\theta))*tan(\theta)}{sec^2(\theta)}$

we know that

csc=1/sin and sec=1/cos

so, we can replace it

and we get

$\frac{cos^2(\theta)tan(\theta)}{sin^2(\theta)}$

now, we know that

tan =sin/cos

$\frac{cos^2(\theta)*sin(\theta)}{sin^2(\theta)*cos(\theta)}$

we can simplify it

and we get

$\frac{cos(\theta)}{sin(\theta)}$

we can also write it as

$=cot(\theta)$

Right Side:

$cot(\theta)$

we can see that

left side = right side

so,

$\frac{(1+cot^2(\theta))*tan(\theta)}{sec^2(\theta)} =cot(\theta)$ ......Answer

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2 years ago

23. Bailey tossed a coin 10 times. The resultswere 7 heads and 3 tails. What is theexperimental probability of tossing tails? *

miskamm [114]

Answer:

3/10

Step-by-step explanation:

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2 years ago

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