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Mice21 [21]
3 years ago
12

What is the inverse of the function f(x) = x +3?

Mathematics
2 answers:
skelet666 [1.2K]3 years ago
7 0
F(x) = x + 3
y = x + 3
x = y - 3

Inverse is h(x) = x - 3
NARA [144]3 years ago
6 0

Answer:

Option C is correct that is h(x)=x-3

Step-by-step explanation:

We have been given a function:

f(x)=x=3

\text{let y}=f(x)

y=x+3

x=y-3

Hence,f^{-1}y=y-3

Therefore, f^{-1}x=x-3

Hence, Option C is correct that is h(x)=x-3

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Help me and i will give u a brainlliest
kvv77 [185]

Answer:

No solution

Infinate amount of soluions

One solition

No solution

Step-by-step explanation:

3 0
3 years ago
Dave drove 55 mph for part of the trip and 60mph for the rest. The 245 mile trip took him 4 hours 12 minutes. How long did the 2
Lady_Fox [76]

Answer:

<u>Dave drove 168 miles during the 2nd part of the trip</u>

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

Speed of Dave for part of the trip = 55 mph

Speed of Dave the rest of the trip = 60 mph

Total time of the round trip = 4 hours 12 minutes

Total distance of the trip = 245 miles

2. How far did Dave drive during the 2nd part of his trip?

Let's recall that the formula of speed is:

Speed = Distance/Time, therefore Distance = Speed * Time

x = Time of part of the trip

4 hours 12 minutes - x = Time of the rest of the trip

4.2 hours - x = Time of the rest of the trip

Now, we can write solve for x, this way:

55 * x + 60 (4.2 - x) = 245

55x + 252 - 60x = 245

-5x = 245 - 252

-5x = -7

x = -7/-5 = 7/5 = 1.4 ⇒ 4.2 - x = 2.8

1st part of the trip = 55 * 1.4 = 77 miles

2nd part of the trip = 2.8 * 60 = 168 miles

<u>Dave drove 168 miles during the 2nd part of the trip and 77 miles during the 1st part</u>

6 0
3 years ago
For each part of this problem, show all your work and write a probability statement.
AlladinOne [14]

Answer:

Follows are the answer to the given point.

Step-by-step explanation:

In point 1:

\to P( \text{number of response}) = \frac{192}{338} \\

                                        = \frac{96}{169}\\\\= 0.56

In point 2:

\to P| \text{(Zoloft and fill response)}| = \frac{27}{338}

                                                 = 0.079

In point 3:

\to P(\frac{\text{ full or partial}}{\text{St. John's Wort}}) = \frac{\frac{43}{338}}{\frac{113}{338}}

                                = \frac{43}{338} \times \frac{338} {113}\\\\= \frac{43}{113}\\\\= 0.38

In point 4:

\to P(\frac{\text{Placebo}}{\text{full or response}}) = P(\frac{(\text{Placebo} \cap \text{full or response})} {\text{p(full response)}})

                               = \frac{\frac{79}{338}}{ 1- \frac{91}{338}} \\\\ = \frac{\frac{79}{338}}{  \frac{338-91}{338}} \\\\  = \frac{\frac{79}{338}}{\frac{247}{338}} \\\\  = \frac{79}{338} \times \frac {338}{247} \\\\= \frac{79}{274} \\\\ = 0.28

4 0
3 years ago
Find all real zeros of the function Y = -9x - 1.
Iteru [2.4K]
The answer is d. 9.-1
5 0
3 years ago
Read 2 more answers
Ronnie can paint 8 rocks in 5 minutes. How long will it take him to paint 54 rocks
sergiy2304 [10]
8 rock in 5 minutes

54 rocks / 8 rocks = 6.75

6.75 x 5 minutes = 33.75 minutes
3 0
3 years ago
Read 2 more answers
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