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Lilit [14]
3 years ago
5

What is the value of f^-1(0)? Please help! It’ll be greatly appreciated!

Mathematics
1 answer:
Leya [2.2K]3 years ago
4 0

Answer:

f^{-1}(0)=6

Step-by-step explanation:

So, we have the graph y=f(x).

And we want to find:

f^{-1}(0)

Remember that the inverse of a function is simply the x-values and y-values swapped. To see this, let's let our inverse equal y:

f^{-1}(0)=y

This means that we have the point:

(0,y)

So, to find our solution, we will swap the x- and y-coordinates. This gives us:

(x,0)

So, simply need to find the x-coordinate such that y is 0.

From our graph, we can see the point (6,0). In other words:

f(6)=0

So:

f^{-1}(0)=6

And we're done!

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Match the event with the most appropriate probability word: The roll of a normal fair dice will show a 7.
Marianna [84]

Answer:

Option 3

Evens

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8 0
3 years ago
Determine whether this statement is true or false. if two lines have the same slope, their equations describe the same line.
maksim [4K]

Answer:

False

Step-by-step explanation:

When you say "slope", Im guessing your referring to the gradient (the steepness of the line).

If two lines have the same gradient their equations won't usually describe the same line because their 'y intercepts' will be different (the point in which the line crosses the y axis)

8 0
3 years ago
100 points PLEASE ANSWER ASAP thank you so much
uysha [10]

Answer:

X elevated to 21/25

Step-by-step explanation:

Exponent law say you have to multiplied the exponents:

(3/5)*(7/5) =

21/25

The mistake was using sumatory instead multiplication.

Regards

7 0
2 years ago
Read 2 more answers
PLEASE SOMEONE HELP ME WITH THESE QUESTIONS I'VE BEEN STUCK ON HERE FOR SO LONG​
Neporo4naja [7]

Answer:

# means number

Step-by-step explanation:

Distance = Y-axis or output

Cost= X-axis or input

you do not need to add the brackets for the formula(BEDMAS), but it makes things clearer

For A -

the Y-intercept is where the first coordinate, or the # or the X-axis, is 0 (on the graph the y-intercept 0,4)

For B -

y = mx + b

m =  slope

x = input or # on the X-axis

b = y-intercept

or

formula = (input x increase in the slope) + output for 0 or (distance x increase in cost) + output for 0

input(x axis)         output(y axis)

0                 5    ← output for 0

1                  9  

2                 13

there is a +4 increase in the slope, the increase in the slope is an output #(in this case 9) - the previous output number (in this case 5)

formula = (input x increase in the slope) + output for 0 = distance

formula in use = (3 x 4) + 5 = 17

For C:

The dependent variable is the output or the cost because the input or the distance will determine the cost travelled. Eg. if I travel 9 miles it will cost $41. If the dependent variable is the cost then the independent variable is the distance

For D: (input x increase in the slope) + output for 0

(4.2 miles x $4) + 5

16.8 + 5 = $21.8; It will cost $21.8 to travel 4.2miles

For E: (distance x increase in cost) + output for 0

(? x 4) + 5 = 14

(14 - 5) = 9

9 ÷ 4 = 2.25miles; with 14 dollars I could travel 2.25 miles

(It is a bit confusing lol, but this is the way I understand it, if you can't understand it this way then use y = mx + b)

4 0
2 years ago
A child lies on the ground and looks up at the top of a 9-ft tree nearby. The child is 13 ft away from the tree. What is the ang
choli [55]
Draw a right triangle to represent the problem.
The vertical height of the triangle is 9 ft, and it represents the tree.
The horizontal length, at the bottom of the tree is ground level and has a length of 13 ft.

Let x =  angle of elevation.

By definition,
tan x = 9/13 = 0.6923
x = arctan(0.6923) = 34.7 deg. = 35 deg (approx)

Answer: 35°
8 0
3 years ago
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