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4vir4ik [10]
3 years ago
15

Find the inverse of f(x) = 2x - 5. The 4 options are in the pic below. PLEASE HELP.

Mathematics
2 answers:
eimsori [14]3 years ago
7 0

Answer:

Step-by-step explanation:to find the inverse interchange the variables and solve for y

leva [86]3 years ago
3 0

Answer:

The answer is B

Step-by-step explanation:

I hope this helped :)

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(4r2 – 3r + 2) – (-r2 – 3r) =
sasho [114]

Answer:

5r^2+2

Step-by-step explanation:

(4r^2 – 3r + 2) – (-r^2 – 3r) =

Distribute the minus sign

(4r^2 – 3r + 2)  +r^2 + 3r =

Combine like terms

(4r^2 + r^2 – 3r+ 3r + 2) =

5r^2+2

5 0
3 years ago
3. Multiply the following binomials:<br> (2 Points)<br> (x - 3) (6x - 2) What’s is the answer?
aleksklad [387]

Answer:

3x^2-10x+3

Step-by-step explanation:

1. multiply each number

2. simplify

7 0
3 years ago
A)2a+ 1=2a+3
Montano1993 [528]

Answer:

I'm not sure but at least i tried

8 0
3 years ago
Read 2 more answers
A piece of land is 20cm by 5cm. A portion of the land by size 10cm by 2cm was used to cultivate tomatoes. what is the area of th
Sergio039 [100]

Answer:

80cm^2

Step-by-step explanation:

20*5=100

10*2=20

100-20=80

8 0
3 years ago
A tennis player keeps track of the number of successful first serves he makes. During the first 8 service points of a game, only
Andru [333]

Answer:

He needs 7 more consecutive successful first serves to raise his first serve percentage to 60%.

Step-by-step explanation:

After n consecutive serves, his total number of serves is going to be n+8, since he has already served 8 times. In the best case, his number of successful first serves is n+2.

His percentage of succesful first serves is the division of the number of succesful first serves divided by the total number of serves. So

P = \frac{n+2}{n+8}

We want P = 0.60. So

0.6 = \frac{n+2}{n+8}

n+2 = 0.6*(n+8)

n + 2 = 0.6n + 4.8

n - 0.6n = 4.8 - 2

0.4n = 2.8

n = \frac{2.8}{0.4}

n = 7

He needs 7 more consecutive successful first serves to raise his first serve percentage to 60%.

5 0
3 years ago
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