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Vlada [557]
4 years ago
13

The inverse of f(x) is a function

Mathematics
1 answer:
natima [27]4 years ago
8 0

Answer:

Step-by-step explanation:

Not always.  If, however, the given function passes the "horizontal line test," then the given function has an inverse which is also a function.  The horizontal line test consists of drawing a horizontal line through the given graph; if the line intersects the graph in only one place, it "passes," and the given function has an inverse function.

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YEAR 9 MATHS PLEASE HELP ME
Genrish500 [490]

Answer:

<h2>X = 4.5</h2>

Step-by-step explanation:

So we have two equations.

y=35x+40

y=40x+17.5

We want to find the coordinates in which they intersect.

BUT They never intersect, They are parallel to each other leaving us with a

NO SOLUTION

When you are trying to solve for x you want to get rid of the y's and simply put on your paper:       35x+40 = 40x+17.5

Then you distribute, in which I am not going to show because that too many steps lol. But you'll get:

x=4.5

5 0
4 years ago
7. In a bag of marbles, the ratio of blue to red marbles is 2:3. Assuming those are the only
Solnce55 [7]

Answer:

since 2 out of every 5 marbles is blue, 4 tenths of the marbles are blue so 40% is blue. not 50

7 0
3 years ago
Please help me I really need this
BartSMP [9]

Answer:

6

Step-by-step explanation:

look for the patterns on each side. 2 4 6 8, 3 6 9 12 15

6 0
3 years ago
Read 2 more answers
can you pleeeasse break that Johnny question down step by step I have to show the work thanks I'll give u the brainliest?​
Leno4ka [110]

Answer:

Johnny and his family left home at 10:00.

Step-by-step explanation:

First, You add all of the minutes up,  

45+20+10= 75

Then convert the minutes to hours,  

75 mins = 1 hr and 15 mins.

Add the hours together,

1 hr + 2 hrs = 3 hrs

Then add minutes,

3 hrs and 15 minutes

Subtract 3 hrs and 15 mins from 13:15,

13.15 - 3.15 = 10:00

Your answer is:  

Johnny and his family left home at 10:00.

6 0
4 years ago
What are the zeros (x-intercepts) of the function y - 2x2 +7x+3?
xeze [42]

Step-by-step explanation:

b+/-(√b^2-4ac)/2a

7+/-(√7^2-4(2)(3)/2(2)

=-3 or =-1/2

8 0
3 years ago
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